List of Star Trek characters

This article lists characters in the various canonical incarnations of Star Trek. This includes fictional main and major characters created for the franchise.

Abbreviation	Title	Date(s)	Medium
TC	"The Cage" (Star Trek: The Original Series)	1966	TV
TOS	Star Trek: The Original Series	1966–1969	TV
TAS	Star Trek: The Animated Series	1973–1974	TV
TMP	Star Trek: The Motion Picture	1979	film
TWOK	Star Trek II: The Wrath of Khan	1982	film
TSFS	Star Trek III: The Search for Spock	1984	film
TVH	Star Trek IV: The Voyage Home	1986	film
TFF	Star Trek V: The Final Frontier	1989	film
TUC	Star Trek VI: The Undiscovered Country	1991	film
TNG	Star Trek: The Next Generation	1987–1994	TV
DS9	Star Trek: Deep Space Nine	1993–1999	TV
GEN	Star Trek Generations	1994	film
VOY	Star Trek: Voyager	1995–2001	TV
FC	Star Trek: First Contact	1996	film
INS	Star Trek: Insurrection	1998	film
NEM	Star Trek: Nemesis	2002	film
ENT	Star Trek: Enterprise	2001–2005	TV
ST09	Star Trek (2009)	2009	film
STID	Star Trek Into Darkness	2013	film
STB	Star Trek Beyond	2016	film
DSC	Star Trek: Discovery	2017–present	TV
SHO	Star Trek: Short Treks	2018–2020	TV
PIC	Star Trek: Picard	2020–2023	TV
LOW	Star Trek: Lower Decks	2020–present	TV
PRO	Star Trek: Prodigy	2021–present	TV
SNW	Star Trek: Strange New Worlds	2022–present	TV

Character	Actor(s)	Appearances	Rank	Posting	Position	Species
Airiam	Sara Mitich	Seasons 1–2 (DSC)	Lt. Commander	USS Discovery	Science officer	Human cyborg
	Hannah Cheesman
Jonathan Archer	Scott Bakula	Seasons 1–4 (ENT)	Captain	Enterprise NX-01	Commanding officer	Human
Soji Asha	Isa Briones	Seasons 1-2 (PIC)	Civilian	Romulan Reclamation Site	Anthropologist	Android
Ayala	Tarik Ergin	Seasons 1–7 (VOY)	Lieutenant, JG (provisional)	USS Voyager	Helmsman (S7) Security officer (S1-7) Maquis (previous)	Human
Azan	Kurt Wetherill	Seasons 6–7 (VOY)	Civilian	USS Voyager Passenger		Wysanti/xB
Reginald Barclay	Dwight Schultz	Seasons 3–4,6–7 (TNG) Movies (FCT) Seasons 2,6–7 (VOY)	Lt. Commander (VOY) Lieutenant, JG (TNG, FCT)	Starfleet Command (VOY) USS Enterprise-E (FCT) USS Enterprise-D (TNG)	Pathfinder Project (VOY) Engineering officer (TNG, movies)	Human
Bareil Antos	Philip Anglim	Seasons 1–3,6 (DS9)	Vedek	Bajor resident	Bajoran religious leader (S1-3)	Bajoran
Julian Bashir	Alexander Siddig	Seasons 1–7 (DS9) Season 6 (TNG)	Lieutenant (S4-7) Lieutenant, JG (S1-3)	Deep Space 9	Chief medical officer	Human
B'Etor	Gwynyth Walsh	Seasons 4–5,7 (TNG) Movies (GEN) Season 1 (DS9)	Commander, Klingon Empire	Bird of Prey	First officer	Klingon
Brad Boimler	Jack Quaid	Seasons 1-5 (LOW) Season 2 (SNW) (Those Old Scientists)	Ensign (Seasons 1-3) Lieutenant, JG (Season 4)	USS Cerritos (Seasons 1-4), USS Titan (Season 2)		Human
Cleveland "Book" Booker	David Ajala	Seasons 3-5 (DSC)	Civilian	USS Discovery 1031-A	Courier, Starfleet consultant	Kwejian
Boothby	Ray Walston	Season 5 (TNG) Season 5 (VOY)	Civilian	Starfleet Academy	Groundskeeper	Human
Borg Queen	Alice Krige	Seasons 5–7 (VOY) Movies (FCT) Season 2 (PIC)	None	Borg Collective	Leader of Borg Collective	Borg
	Susanna Thompson
	Annie Wersching
Phillip Boyce	John Hoyt	"The Cage"	Lt. Commander	USS Enterprise	Chief medical officer	Human
Brunt	Jeffrey Combs	Seasons 3–7 (DS9)	Civilian	Ferenginar resident	Ferengi commerce liquidator	Ferengi
Ronald Altman Bryce	Ronnie Rowe Jr.	Seasons 1–3 (DSC)	Lieutenant Commander (DSC S4) Lieutenant, JG	USS Curie (DSC S4) USS Discovery	Communications officer	Human
Gabrielle Burnham	Sonja Sohn	Seasons 2-3 (DSC)	None	Section 31	Intelligence operative Astrophysicist	Human
Michael Burnham	Sonequa Martin-Green	Seasons 1–5 (DSC)	Captain (S4-5) Commander (S1-3 Crewman (S1)	USS Discovery (S1-2) USS Shenzhou (S1)	Captain (S4-5) First officer (S3) Science officer (S2) Science specialist (S1) First officer (S1)	Human
	Arista Arhin (as a child)
Joseph Carey	Josh Clark	Seasons 1,5–7 (VOY)	Lieutenant	USS Voyager	Engineering officer	Human
Chakotay	Robert Beltran	Seasons 1-2 (PRO) Seasons 1–7 (VOY)	Captain Commander (provisional)	USS Protostar (PRO S1) USS Voyager S1-7	Captain (PRO S1) First officer (VOY S1-7) Maquis (S1)	Human
Christine Chapel	Majel Barrett	Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, TVH)	Commander (TMP, TVH) Crewman (TOS, TAS)	Starfleet Command (TVH) USS Enterprise (TOS, TAS, TMP)	Starfleet Command officer (TVH) Medical officer (TMP) Nurse (TOS, TAS)	Human
	Jess Bush	Seasons 1-2 (SNW)	Crewman (SNW)	USS Enterprise (SNW)	Nurse (SNW)
Pavel Chekov	Walter Koenig	Seasons 2–3 (TOS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, GEN) Season 5 (DS9)	Commander (WOK, SFS, TVH, TFF, TUC, GEN) Lieutenant (TMP)	USS Enterprise-A (TVH, TFF, TUC) USS Reliant (WOK) USS Enterprise (TOS, TMP, SFS)	Chief security officer (SFS, TVH, TFF, TUC) First officer (WOK) Weapons officer (TMP) Navigator (TOS)	Human
	Anton Yelchin	ST09, STID, STB	Ensign (ST09, STID, STB)	USS Enterprise (ST09, STID, STB)	Navigator (ST09, STID, STB)
Una Chin-Riley ('Number One')	Majel Barrett	"The Cage" Season 2 (DSC) Seasons 1-2 (SNW)	Commander Lt. Commander	USS Enterprise	First officer	Illyrian
	Rebecca Romijn
J. M. Colt	Laurel Goodwin	"The Cage"	Yeoman	USS Enterprise	Yeoman	Human
Katrina Cornwell	Jayne Brook	Seasons 1-2 (DSC)	Vice Admiral	Starfleet Command	Admiral of Starfleet	Human
Kimara Cretak	Adrienne Barbeau	Season 7 (DS9)	Senator	Deep Space 9	Romulan representative	Romulan
	Megan Cole
Beverly Crusher	Gates McFadden	Seasons 1,3–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 3 (PIC)	Admiral Civilian Commander	Starfleet Command SS Eleos XII USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (S1,3-7, GEN) Starfleet Command (S2)	Head of Starfleet Medical (PIC S5) Civilian doctor associated with the humanitarian organization Mariposas (PIC S5, LOW S4) Chief medical officer (S1, 3–7, movies) Head of Starfleet Medical (S2)	Human
Jack Crusher	Ed Speleers	Season 3 (PIC)	Ensign Civilian	USS Enterprise NCC-1701-G SS Eleos XII	Special counselor to the captain Civilian associated with the humanitarian organization Mariposas	Human
Wesley Crusher	Wil Wheaton	Seasons 1–4,5,7 (TNG) Season 2 (PRO) Season 2 (PIC S2) Movies (NEM)	Civilian (PIC S2), (PRO S2) Lieutenant, JG (NEM) Cadet (S4-7) Ensign (S3-4) Ensign (acting) (S1-3) Civilian (S1)	USS Titan (NEM) Starfleet Academy (S4-7) USS Enterprise-D (S1-4)	Traveler (PIC S2) , (PRO S2) Engineering officer (NEM) Starfleet cadet (S4-7) Helmsman (S1-4)	Human
Hugh Culber	Wilson Cruz	Season 1–5(DSC)	Commander Lt. Commander	USS Discovery	Doctor	Human
Jal Culluh	Anthony De Longis	Seasons 1–3 (VOY)	First Maje	Kazon-Nistrim	Leader of Kazon-Nistrim	Kazon
Elizabeth Cutler	Kellie Waymire	Season 1 (ENT)	Crewman	Enterprise NX-01	Entomologist	Human
Leonardo da Vinci	John Rhys-Davies	Seasons 3–4 (VOY)	None	USS Voyager Program	Holographic character	Hologram
Damar	Casey Biggs	Seasons 4–7 (DS9)	Legate (S7) Gul (S6-7) Glinn (S4-6)	Cardassia Prime CMS Groumall (S4)	Leader of Cardassian Union (S7) Dominion leader (S6-7) Vigilante (S5) Cardassian officer (S4)	Cardassian
Daniels /Kovich	David Cronenberg	Seasons 3-5 (DSC) Seasons 1–4 (ENT)	Federation official Crewman	Federation Headquarters Unknown	Scientist in cognitive science, with specialties in artificial sentience and intelligence Temporal agent	Mostly Human
	Matt Winston
Data	Brent Spiner	Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 1 (PIC)	Lt. Commander	USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (S1-7, GEN)	Chief operations officer (TNG, GEN, FCT, INS, NEM)	Android
Ezri Dax	Nicole de Boer	Season 7 (DS9)	Lieutenant, JG (S7) Ensign (S7)	Deep Space 9	Counselor	Trill
Jadzia Dax	Terry Farrell	Seasons 1–6 (DS9)	Lt. Commander (S4-6) Lieutenant (S1-3)	Deep Space 9	Chief science officer	Trill
Degra	Randy Oglesby	Season 3 (ENT)	Civilian	Xindi Council	Scientist	Xindi-Primate
Keyla Detmer	Emily Coutts	Seasons 1–3 (DSC)	Lieutenant (S1-2) Lieutenant, JG (S1)	USS Discovery (S1-2) USS Shenzhou (S1)	Helmsman	Human
The Doctor	Robert Picardo	Seasons 1–7 (VOY)	None	USS Voyager	Chief medical officer	Hologram
Dolim	Scott MacDonald	Season 3 (ENT)	Commander	Xindi Council	Council member	Xindi-Reptilian
Dukat	Marc Alaimo	Seasons 1–7 (DS9)	Gul	Cardassia Prime	Religious leader (S6-7) Leader of Cardassia (S5) Vigilante (S4-5) Freighter commander (S4) Cardassian officer (S1-4)	Cardassian
Michael Eddington	Kenneth Marshall	Seasons 3–5 (DS9)	Civilian (S4-5) Lt. Commander (S3-4)	Deep Space 9 (S3-4)	Maquis (S7) Security officer (S5-7)	Human
Elnor	Evan Evagora	Seasons 1-2 (PIC)	Cadet (S2) Qowat Milat (S1)	USS Excelsior (S2) Vashti resident (S1)	Starfleet cadet (S2) Qalankhkai to Picard (S1)	Romulan
Kova Rin Esmar	Jin Maley	Season 3 (PIC)	Ensign	USS Enterprise NCC-1701-G (PIC S3) USS Titan (NCC-80102-A) (PIC S3)	Communications officer	Haliian
Evek	Richard Poe	Season 7 (TNG) Season 2 (DS9) Season 1 (VOY)	Gul	CMS Vetar	Commanding officer	Cardassian
Female Changeling	Salome Jens	Seasons 3–4,6–7 (DS9)	None	Cardassia Prime	Leader of Dominion	Changeling
Vic Fontaine	James Darren	Seasons 6–7 (DS9)	None	Deep Space 9 Program	Holographic entertainer	Hologram
Maxwell Forrest	Vaughn Armstrong	Seasons 1–4 (ENT)	Vice Admiral	Starfleet Command	NX Project	Human
Alonzo Freeman	Phil LaMart	Seasons 1-4 (LOW)	Admiral	Starfleet Command	Flag officer	Human
Carol Freeman	Dawnn Lewis	Seasons 1-5 (LOW)	Captain	USS Cerritos	Commanding officer	Human
Elim Garak	Andrew Robinson	Seasons 1–7 (DS9)	Civilian	Deep Space 9 resident	Tailor	Cardassian
Garrison	Adam Roarke	"The Cage"	Chief petty officer	USS Enterprise	Communications officer	Human
Philippa Georgiou	Michelle Yeoh	Seasons 1-3 (DSC) Season 1 (S31)	Captain (S1)	NCIA-93 (S2) Section 31 (S1-3) USS Shenzhou (S1)	Intelligence operative (S1-3) Emperor, Mirror Universe (S1) Commanding officer (S1)	Human
Sonya Gomez	Lycia Naff	Season 2 (TNG) Season 2 (LOW)	Ensign	USS Enterprise-D	Engineering officer	Human
Gowron	Robert O'Reilly	Seasons 4–6 (TNG) Seasons 3–7 (DS9)	Chancellor	Klingon High Council	Chancellor of Klingon Empire	Klingon
Amanda Grayson	Jane Wyatt	Season 2 (TOS) Movies (TVH, TFF)	Civilian	Vulcan resident	Teacher	Human
	Majel Barrett	Seasons 1 (TAS)
	Winona Ryder	ST09
	Mia Kirshner	Season 1 (DSC) Season 2 (SNW)
Guinan	Whoopi Goldberg	Seasons 2–6 (TNG) Movies (GEN, NEM) Season 2 (PIC)	Civilian	USS Enterprise-D	Bartender	El-Aurian
Gwyndala "Gwyn"	Ella Purnell	Seasons 1-2 (PRO)	Civilian	USS Protostar NX-76884	Captain (S2) Communications officer (S1)	Vau N'Akat
J. Hayes	Steven Culp	Season 3 (ENT)	Major	Enterprise NX-01	MACO officer	Human
Erika Hernandez	Ada Maris	Season 4 (ENT)	Captain	Columbia NX-02	Commanding officer	Human
Hogan	Simon Billig	Seasons 2–3 (VOY)	Ensign (provisional)	USS Voyager	Engineering officer Maquis (previous)	Human
Mr. Homn	Carel Struycken	Seasons 1–5 (TNG)	Civilian	Betazed resident	Servant	Unknown
Hugh	Jonathan Del Arco	Seasons 5–7 (TNG) Season 1 (PIC)	None	Romulan reclamation site	Borg drone (TNG) Director of Romulan reclamation site (PIC)	Borg (TNG) Human/xB (PIC)
Icheb	Manu Intiraymi	Seasons 6–7 (VOY)	Civilian (VOY)	USS Voyager resident (VOY)	Astrometrics (VOY)	Borg (VOY S6) Brunali/xB (VOY S6-7, PIC)
	Casey King	Season 1 (PIC)	Lieutenant (PIC)	USS Coleman (PIC)	Command officer (PIC)
Ishka	Cecily Adams	Seasons 3, 5–7 (DS9)	Civilian	Ferenginar resident	Philanthropist	Ferengi
	Andrea Martin
Kathryn Janeway	Kate Mulgrew	Seasons 1–7 (VOY) Movies (NEM) Seasons 1-2 (PRO)	Vice Admiral (NEM) Captain (VOY)	Starfleet Command (NEM) USS Dauntless (PRO) USS Voyager (VOY)	Starfleet Admiral (NEM) Commanding officer (VOY)	Human
Jannar	Rick Worthy	Season 3 (ENT)	Civilian	Xindi Council	Scientist	Xindi-Arboreal
Michael Jonas	Raphael Sbarge	Season 2 (VOY)	Crewman (provisional)	USS Voyager	Engineering officer Maquis (previous)	Human
Agnes Jurati	Alison Pill	Seasons 1-2 (PIC)	Civilian	Daystrom Institute	Cyberneticist	Human
K'Ehleyr	Suzie Plakson	Seasons 2, 4 (TNG)	Ambassador	Earth resident	Federation Ambassador	Klingon/Human
Kes	Jennifer Lien	Seasons 1–4, 6 (VOY)	Civilian	USS Voyager	Medic Aeroponics	Ocampa
Harry Kim	Garrett Wang	Seasons 1–7 (VOY)	Ensign	USS Voyager	Chief operations officer	Human
Kira Nerys	Nana Visitor	Seasons 1–7 (DS9)	Colonel (S7) Commander (S7) Major (S1-6)	Deep Space 9	Commanding officer (S7) First officer (S1-7)	Bajoran
George Kirk	Chris Hemsworth	ST09	Captain	USS Enterprise (ST09)	Commanding officer	Human
George Samuel "Sam" Kirk Jr.	William Shatner	Season 1(TOS)(Operation -- Annihilate!) Seasons 1–2 (SNW)	Lieutenant, JG	Deneva, USS Enterprise	Xenoanthropologist, research biologist	Human
	Dan Jeannotte
James T. Kirk	William Shatner	Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, GEN, ST09, STID, STB) Season 5 (DS9) Seasons 1-2 (SNW)	Captain (TOS, TAS, TFF, TUC, GEN, STID, STB) Rear Admiral (TMP, WOK, SFS, TVH) Cadet (ST09)Lieutenant (SNW)	USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB, SNW) USS Farragut (SNW)	Commanding officer (TOS, TAS, TMP, WOK, SFS, TVH, TFF, TUC, STID, STB) First officer (ST09, SNW)	Human
	Chris Pine
	Paul Wesley
Kol	Kenneth Mitchell	Season 1 (DSC)	General, Klingon Empire	Klingon High Council	Council Member	Klingon
Kor	John Colicos	Season 1 (TOS) Season 1 (TAS) Seasons 2, 4, 7 (DS9)	Dahar Master (DS9) Commander, Klingon Empire (TOS, TAS)	Klingon Defense Force (DS9) IKS Klothos (TOS, TAS)	Defence officer (DS9) Commanding officer (TOS, TAS)	Klingon
Kurn	Tony Todd	Seasons 3–5 (TNG) Season 4 (DS9)	Crewman, Bajoran Militia (DS9) Captain, Klingon Empire (TNG)	Deep Space 9 (DS9) IKS Hegh'ta (TNG)	Security officer (DS9) Commanding officer (TNG)	Klingon
Alandra La Forge	Mica Burton	Season 3 (PIC)	Ensign	Fleet Museum	Engineer	Human
Geordi La Forge	LeVar Burton	Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 5 (VOY) Season 3 (PIC)	Commodore (S3, PIC) Lt. Commander (S3-7, movies) Lieutenant (S2) Lieutenant, JG (S1)	Federation Fleet Museum (S3, PIC) USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (S1-7, GEN)	Curator (S3, PIC) Chief engineer (S2-7, movies) Helmsman (S1)	Human
Sidney La Forge	Ashlei Sharpe Chestnut	Season 3 (PIC)	Lieutenant, JG Ensign	Enterprise NCC-1701-G USS Titan (NCC-80102-A)	Helmsman	Human
Laris	Orla Brady	Seasons 1-2 (PIC)	Civilian	Earth resident	Vineyard Manager	Romulan
Leeta	Chase Masterson	Seasons 3–7 (DS9)	Civilian	Deep Space 9 resident	Dabo Girl	Bajoran
Leland	Alan van Sprang	Season 2 (DSC)	Captain	NCIA-93 Section 31	Commanding officer Intelligence Operative	Human
Li Nalas	Richard Beymer	Season 2 (DS9)	Navarch	Deep Space 9	Liaison officer	Bajoran
Linus	David Benjamin Tomlinson	Seasons 2–3 (DSC)	Lieutenant, JG	USS Discovery	Science officer	Saurian
Gabriel Lorca	Jason Isaacs	Season 1 (DSC)	Captain	USS Discovery	Commanding officer	Human
Lore	Brent Spiner	Season 3 (PIC) Seasons 1, 4, 6–7 (TNG)	Civilian			Android
L'Rell	Mary Chieffo	Seasons 1–2 (DSC)	Chancellor	Klingon High Council	Chancellor of Klingon Empire	Klingon
Lursa	Barbara March	Seasons 4–5, 7 (TNG) Movies (GEN) Season 1 (DS9)	Captain, Klingon Empire	Bird of Prey	Commanding officer	Klingon
Maihar'du	Tiny Ron Taylor	Seasons 1–3, 5–7 (DS9)	Civilian	Ferenginar resident	Attendant to Grand Nagus	Hupyrian
Maj'el	Michaela Dietz	Season 2 (PRO)	Ensign	Command division officer, USS Prodigy Starfleet Academy fourth year cadet, USS Voyager		Vulcan
Mallora	Tucker Smallwood	Season 3 (ENT)	Civilian	Xindi Council	Chairman	Xindi-Primate
Carol Marcus	Bibi Besch	Movies (WOK, SFS, STID)	Civilian (WOK, SFS) Lieutenant (STID)	Project Genesis (WOK, SFS) USS Enterprise (STID)	Biologist	Human
	Alice Eve
Beckett Mariner	Tawny Newsome	Seasons 1-5 (LOW) Season 2 (SNW) (Those Old Scientists)	Ensign (Seasons 1-3) Lieutenant, JG (Season 4)	USS Cerritos		Human
Martok	J. G. Hertzler	Seasons 4–7 (DS9)	Chancellor (S7) General, Klingon Empire (S4-7)	Deep Space 9 IKS Rotarran	Chancellor of Klingon Empire (S7) Commander of Klingon Forces (S4-7)	Klingon
Travis Mayweather	Anthony Montgomery	Seasons 1–4 (ENT)	Ensign	Enterprise NX-01	Helmsman	Human
Joseph M'Benga	Booker Bradshaw	Seasons 2-3 (TOS) Seasons 1–2 (SNW)	Commander	USS Enterprise	Doctor Chief medical officer,	Human
	Babs Olusanmokun
Rukiya M'Benga	Sage Arrindell	Season 1 (SNW)	Civilian	USS Enterprise	Civilian	Human
	Mukambe Simamba
Leonard McCoy	DeForest Kelley	Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 1 (TNG) Season 5 (DS9)	Admiral (TNG) Commander (TMP, WOK, SFS, TVH, TFF, TUC) Lt. Commander (TOS, TAS, ST09, STID, STB)	USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB)	Chief medical officer	Human
	Karl Urban
Mezoti	Marley S. McClean	Seasons 6–7 (VOY)	Civilian	USS Voyager Passenger		Norcadian
Migleemo	Paul F. Tompkins	Seasons 1-4 (LOW)	Commander?	USS Cerritos	Ship's Counselor	Unnamed ornithoid species
Mila	Julianna McCarthy	Seasons 3,7 (DS9)	Civilian	Cardassia resident	Housekeeper	Cardassian
Mora Pol	James Sloyan	Seasons 2,5 (DS9)	Civilian	Bajor resident	Scientist	Bajoran
Morn	Mark Allen Shepherd	Seasons 1–7 (DS9) Season 1 (VOY)	Civilian	Deep Space 9 resident	Courier	Lurian
Mot	Ken Thorley	Seasons 5–6 (TNG)	Civilian	USS Enterprise-D	Barber	Bolian
Harry Mudd	Roger C. Carmel	Seasons 1–2 (TOS) Season 1 (TAS) Season 1 (DSC) Season 1 (ST)	Civilian		Smuggler	Human
	Rainn Wilson
Matthew Arliss Mura	Joseph Lee	Season 3 (PIC)	Lieutenant	USS Enterprise NCC-1701-G (PIC S3) USS Titan (NCC-80102-A) (PIC S3)	Tactical officer	Bajoran
Murf	Dee Bradley Baker	Season 1 (PRO)	Ensign]] (S2) Starfleet Academy cadet (S2) Civilian (S1)	USS Protostar NX-76884	Civilian/Security officer	Mellanoid slime worm
Raffi Musiker	Michelle Hurd	Seasons 1-3 (PIC)	Commander (S2) Civilian (S1)	Enterprise NCC-1701-G (S3) Starfleet Intelligence (S3) USS Excelsior (S2)	First officer Undercover intelligence agent Chief operations officer (S2)	Human
Narek	Harry Treadaway	Season 1 (PIC)	Zhat Vash Operative			Romulan
Naya	Victoria Sawal	Season 5 (DSC)	Lieutenant	USS Discovery NCC 1031-A (DSC S5)	Operations officer	Human
Alynna Nechayev	Natalia Nogulich	Seasons 6–7 (TNG) Seasons 2–3 (DS9)	Fleet Admiral	Starfleet Command	Admiral of Starfleet	Human
Neelix	Ethan Phillips	Seasons 1–7 (VOY)	Ambassador (S7) Civilian (S1-7)	Talaxian Asteroid Colony (S7) USS Voyager (S1-7)	Federation Ambassador (S7) Chef (S1-7)	Talaxian
Nhan	Rachael Ancheril	Seasons 2-3 (DSC)	Commander	USS Discovery (S2-3) USS Enterprise (S2)	Chief security officer	Barzan
Susan Nicoletti	Christine Delgado	Seasons 1–4,7 (VOY)	Lieutenant, JG	USS Voyager	Engineering officer	Human
Eva Nilsson	Sara Mitich	Seasons 2-4 (DSC)	Lieutenant	USS Voyager NCC 74656 (DSC S5) USS Discovery	Operations officer	Human
Nog	Aron Eisenberg	Seasons 1–7 (DS9)	Lieutenant, JG (S7) Ensign (S6-7) Cadet (S4-5) Civilian (S1-4)	Deep Space 9 Starfleet Academy (S4-5)	Operations officer (S6-7) Starfleet cadet (S4-5) Bar employee (S1-4) Student (S1-4)	Ferengi
Khan Noonien Singh	Ricardo Montalbán	Season 1 (TOS) Movies (WOK, STID) (SNW S2)) (Tomorrow and Tomorrow and Tomorrow)	Civilian	SS Botany Bay (TOS)	Superhuman	Human Augment
	Benedict Cumberbatch
	Desmond Sivan (as a child)
La'an Noonien-Singh	Christina Chong (primary) Ava Cheung (as a child)	Seasons 1-2 (SNW)	Lieutenant	USS Enterprise	Chief security officer	Human
Kashimuro Nozawa	John Tampoya	Seasons 1–4,7 (VOY)	Ensign	USS Voyager	Operations officer	Human
Keiko O'Brien	Rosalind Chao	Seasons 4–6 (TNG) Seasons 1–7 (DS9)	Civilian	Deep Space 9 (DS9) USS Enterprise-D (TNG)	Teacher/Botanist (DS9) Botanist (TNG)	Human
Miles O'Brien	Colm Meaney	Seasons 1–7 (TNG) Seasons 1–7 (DS9)	Chief petty officer	Starfleet Academy (DS9 S7) Deep Space 9 (DS9 S1-7) USS Enterprise-D (TNG S1-6)	Academy professor (DS9 S7) Chief of operations (DS9 S1-7) Transporter chief (TNG S2-6) Helmsman (TNG S1)	Human
Molly O'Brien	Hana Hatae	Seasons 1–7 (DS9)	Civilian	Deep Space 9 resident	Student	Human
Odo	René Auberjonois	Seasons 1–7 (DS9)	Constable (unofficial)	Deep Space 9	Chief of security	Changeling
Alyssa Ogawa	Patti Yasutake	Seasons 3–7 (TNG) Movies (GEN, FCT)	Lieutenant, JG (S7, movies) Ensign (S3-7)	USS Enterprise-E (FCT) USS Enterprise-D (S3-7, GEN)	Nurse	Human
Oh	Tamlyn Tomita	Season 1 (PIC)	Commodore	Starfleet Command	Head of Starfleet Security	Vulcan
Opaka Sulan	Camille Saviola	Seasons 1–2,4 (DS9)	Kai	Bajor resident	Bajoran religious leader (S1)	Bajoran
Joann Owosekun	Oyin Oladejo	Seasons 1–5 (DSC)	Lieutenant, JG	USS Discovery	Operations officer	Human
Owen Paris	Warren Munson Richard Herd	Seasons 2,5–7 (VOY)	Admiral	Starfleet Command	Pathfinder Project	Human
Tom Paris	Robert Duncan McNeill	Seasons 1–7 (VOY) Season 1 (LOW)	Lieutenant (LOW S1) Lieutenant, JG (S1-7) Ensign (S5-6)	USS Voyager	Helmsman	Human
Phlox	John Billingsley	Seasons 1–4 (ENT)	Civilian	Enterprise NX-01	Chief medical officer	Denobulan
Jean-Luc Picard	Patrick Stewart	Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 1 (DS9) Seasons 1-3 (PIC)	Admiral (PIC) Captain (TNG, movies)	Earth resident (PIC) USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (TNG S1-7, GEN)	Commanding officer (TNG, movies)	Human
Renée Picard	Penelope Mitchell	Season 2 (PIC)	Civilian	Europa Mission	NASA Astronaut	Human
Christopher Pike	Jeffrey Hunter	"The Cage" Season 1 (TOS)	Admiral (STID) Captain (TC, TOS, ST09, DSC)	Starfleet Command (STID) USS Enterprise (TC, ST09, DSC)	Starfleet Admiral (STID) Commanding officer (TC, ST09, DSC)	Human
	Bruce Greenwood	ST09, STID
	Anson Mount	Season 2 (DSC) Seasons 1-2 (SNW)re
Jankom Pog	Jason Mantzoukas	Seasons 1-2 (PRO)	Ensign]] (S2) Starfleet Academy cadet (S2) Civilian (S1)	USS Protostar NX-76884	Engineer	Tellarite
Tracy Pollard	Raven Dauda	Seasons 1–5 (DSC)	Lieutenant, JG	USS Discovery	Medical officer	Human
Katherine Pulaski	Diana Muldaur	Season 2 (TNG)	Commander	USS Enterprise-D	Chief medical officer	Human
Q	John de Lancie	Seasons 1–4, 6–7 (TNG) Season 1 (DS9) Seasons 2–3, 7 (VOY) Season 1 (LOW) Season 2 (PIC)	None	Q Continuum resident	Q Continuum	Q
Quark	Armin Shimerman	Season 7 (TNG) Seasons 1–7 (DS9) Season 1 (VOY)	Civilian	Deep Space 9 resident	Bar Owner	Ferengi
Teresa Ramirez	Sol Rodriguez	(PIC S2)	Civilian	Earth resident	Medical doctor associated with the humanitarian organization Mariposas	Human
Ricardo Ramirez	Steve Gutierrez	(PIC S2)	Civilian	Earth resident	Student	Human
Janice Rand	Grace Lee Whitney	Season 1 (TOS) Movies (TMP, TVH, TUC) Season 3 (VOY)	Commander (TUC) Chief petty officer (TVH) Crewman (TMP) Yeoman (TOS)	USS Excelsior (TUC) Starfleet Command (TVH) USS Enterprise (TOS, TMP)	First officer (TUC) Starfleet Command officer (TVH) Transporter chief (TMP) Yeoman (TOS)	Human
Jack Ransom	Jerry O'Connell	Seasons 1-5 (LOW)	Commander	USS Cerritos	First officer	Human
Rayner	Callum Keith Rennie	Season 5 (DSC)	Commander Captain	USS Discovery NCC-1031-A USS Antares	First officer Commanding officer	Kellerun
Rebi	Cody Wetherill	Seasons 6–7 (VOY)	Civilian	USS Voyager Passenger		Wysanti/xB
Malcolm Reed	Dominic Keating	Seasons 1–4 (ENT)	Lieutenant	Enterprise NX-01	Tactical officer	Human
Dal R'El	Brett Gray	Seasons 1-2 (PRO)	Ensign (S2) Starfleet Academy cadet (S2) Civilian (S1)	USS Protostar NX-76884)	Acting first officer (S2) Captain (S1)	Augment (Artificially created hybrid of many species)
Jet Reno	Tig Notaro	Seasons 2-5 (DSC)	Lt. Commander	USS Discovery (S2-3) USS Hiawatha (S2)	Chief Engineer	Human
Gen Rhys	Patrick Kwok-Choon	Seasons 1-5 (DSC)	Lieutenant	USS Discovery	Tactical officer	Human
William Riker	Jonathan Frakes	Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 2 (VOY) Season 4 (ENT) Seasons 1,3 (PIC) Season 1 (LOW)	Captain pro tem (PIC S3) Captain (NEM, PIC, LOW) Commander (TNG S1-7, movies)	USS Titan (NCC-80102-A) USS Zheng He (PIC S1) USS Titan (NEM, LOW S1) USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (TNG S1-7, GEN)	Commanding officer (NEM, PIC S1, LOW S1) First officer (TNG S1-7, movies)	Human
Laira Rillak	Chelah Horsdal	Seasons 4-5 (DSC)	Civilian	None	President of the United Federation of Planets	Human/Bajoran/Cardassian
Cristóbal "Chris" Rios	Santiago Cabrera	Seasons 1-2 (PIC)	Captain (S2) Civilian (S1)	USS Stargazer (S2) La Sirena (S1)	Commanding officer (S2) Civilian Starship Captain (S1)	Human
Narissa Rizzo	Peyton List	Season 1 (PIC)	Colonel		Zhat Vash Operative	Romulan
Ro Laren	Michelle Forbes	Seasons 5–7 (TNG) Season 3 (PIC)	Commander (PIC) Lieutenant (S7) Ensign (S5-6)	USS Enterprise-D	Starfleet Intelligence operative (PIC) Maquis (S7) Helmsman (S5-7)	Bajoran
Rok-Takh	Rylee Alazraqui	Seasons 1-2 (PRO)	Ensign (S2) Starfleet Academy cadet (S2) Civilian (S1)	USS Protostar NX-76884	Science officer	Brikar
Rom	Max Grodénchik	Seasons 1–7 (DS9)	Grand Nagus (S7) Crewman (S4-7) Civilian (S1-4)	Deep Space 9	Grand Nagus (S7) Maintenance Engineer (S4-7) Bar employee (1–4)	Ferengi
William Ross	Barry Jenner	Seasons 6–7 (DS9)	Vice Admiral	Deep Space 9	Military commander	Human
Michael Rostov	Joseph Will	Seasons 1–2 (ENT)	Crewman	Enterprise NX-01	Engineering officer	Human
Alexander Rozhenko	Jon Paul Steuer	Seasons 4–7 (TNG) Season 6 (DS9)	Crewman, Klingon Empire (DS9) Civilian (TNG)	IKS Rotarran (DS9)	Weapons officer (DS9)	Klingon/Human
	Brian Bonsall
	Marc Warden
Samanthan "Sam" Rutherford	Eugene Cordero	Seasons 1-5 (LOW)	Lieutenant, JG | Ensign	USS Cerritos	Science officer	Human, cybernetically enhanced
Saavik	Kirstie Alley	Movies (WOK, SFS, TVH)	Lieutenant, JG	USS Grissom (SFS, TVH) USS Enterprise (WOK)	Science officer (SFS, TVH) Navigator (WOK)	Vulcan/Romulan
	Robin Curtis
Sarek	Mark Lenard	Season 2 (TOS) Seasons 1 (TAS) Movies (TMP, SFS, TVH, TUC, ST09) Seasons 3, 5 (TNG) Seasons 1–2 (DSC)	Ambassador	Vulcan resident	Federation Ambassador	Vulcan
	Ben Cross
	James Frain
Saru	Doug Jones	Seasons 1–5 (DSC) Season 1 (ST)	Commander Captain Federation Ambassador	Federation Headquarters (DSC S5) USS Discovery (S1-3) USS Shenzhou (S1)	Federation Ambassador (DSC S5) First officer (S4-5) Captain (S3) First officer (S1-2) Science officer (S1)	Kelpien
Hoshi Sato	Linda Park	Seasons 1–4 (ENT)	Ensign	Enterprise NX-01	Communications officer	Human
Montgomery Scott	James Doohan	Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, GEN, ST09, STID, STB) Season 6 (TNG) Season 5 (DS9) Season 2 (SNW)	Captain (SFS, TVH, TFF, TUC, GEN, TNG) Commander (TMP, WOK) Lt. Commander (TOS, TAS, ST09, STID, STB) Lieutenant, Junior Grade (SNW S2)	USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) USS Stardiver	Chief Engineer	Human
	Simon Pegg
	Martin Quinn
Sela	Denise Crosby	Seasons 4–5 (TNG)	Commander, Romulan Empire	Unknown	Romulan officer	Romulan/Human
Seska	Martha Hackett	Seasons 1–3,7 (VOY)	None (S1-3) Ensign (provisional) (S1)	Kazon-Nistrim (S1-3) USS Voyager (S1)	Kazon Affiliate (S1-3) Engineering officer (S1) Science officer (S1) Maquis Infiltrator (previous)	Cardassian
Seven of Nine	Jeri Ryan	Seasons 1-3 (PIC) Seasons 4–7 (VOY)	Captain (PIC S3) Commander (PIC S3) Civilian (PIC S1-2) (VOY S4-7)	Enterprise NCC-1701-G (PIC S3) USS Titan (NCC-80102-A) (PIC S3) La Sirena (PIC S2) USS Voyager (VOY S4-7)	Captain (PIC S3) First officer (PIC S3) Vigilante (PIC S1-2) Astrometrics (VOY S4-7)|	Human/xB
Shakaar Edon	Duncan Regehr	Seasons 3–5 (DS9)	First Minister	Bajor resident	First Minister of Bajor	Bajoran
Liam Shaw	Todd Stashwick	Season 3 (PIC)	Captain	USS Titan (NCC-80102-A) (PIC S3)	Commanding officer	Human
Shaxs	Fred Tatasciore	Seasons 1-4 (LOW)	Lieutenant	USS Cerritos	Chief security officer	Bajoran
Thy'lek Shran	Jeffrey Combs	Seasons 1–4 (ENT)	General	Kumari	Andorian Imperial Guard	Andorian
Jennifer Sh'reyan	Lauren Lapkus	Seasons 1-4 (LOW)	Ensign	USS Cerritos	Counselor	Andorian
Silik	John Fleck	Seasons 1–4 (ENT)	Senior official	Suliban Cabal	Terrorist	Suliban
Benjamin Sisko	Avery Brooks	Seasons 1–7 (DS9)	Captain (S3-7) Commander (S1-3)	Deep Space 9	Commanding officer	Human
Jake Sisko	Cirroc Lofton	Seasons 1–7 (DS9)	Civilian	Deep Space 9 resident	Journalist (S5-7) Student (S1-5)	Human
Jennifer Sisko	Felecia M. Bell	Seasons 1,3–4 (DS9)	Lieutenant (S1)	USS Saratoga (S1)	Starfleet officer (S1)	Human
Joseph Sisko	Brock Peters	Seasons 4,6–7 (DS9)	Civilian	Earth resident	Restaurant Owner	Human
Sarah Sisko	Deborah Lacey	Season 7 (DS9)	Civilian	Earth resident	Holophotographer	Human
Luther Sloan	William Sadler	Seasons 6–7 (DS9)	None	Section 31	Intelligence Operative	Human
Kore Soong	Isa Briones	Season 2 (PIC)	Civilian	Resident of Earth	Traveler	Human
Soval	Gary Graham	Seasons 1–4 (ENT)	Ambassador	Earth	Vulcan Ambassador to Earth	Vulcan
Spock	Leonard Nimoy	"The Cage" Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 5 (TNG) Season 5 (DS9) Season 2 (DSC) Season 1 (SNW)	Ambassador (TNG, ST09, STID) Captain (WOK, SFS, TVH) Commander (TC, TOS, TAS, TMP, ST09, STID, STB, DSC)	New Vulcan resident (STID) USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TC, TOS, TAS, TMP, ST09, STID, STB, DSC) Instructor (ST09)	Federation Ambassador (TNG, ST09, STID) First officer (TC, TOS, TAS, movies) Science officer (TC, TOS, TAS, ST09, STID, STB, DSC)	Vulcan/Human
	Zachary Quinto
	Ethan Peck
Paul Stamets	Anthony Rapp	Season 1-5 (DSC)	Commander Lt. Commander (S2) Lieutenant (S1)	USS Discovery	Science officer	Human
Lon Suder	Brad Dourif	Seasons 2–3 (VOY)	Crewman (provisional)	USS Voyager	Engineering officer Maquis (previous)	Betazoid
Hikaru Sulu	George Takei	Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 3 (VOY)	Captain (TUC) Commander (WOK, SFS, TVH, TFF) Lt. Commander (TMP) Lieutenant (TOS, TAS, ST09, STID, STB)	USS Excelsior (TUC) USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB)	Commanding officer (TUC) Helmsman (TOS, TAS, TMP, WOK, SFS, TVH, TFF, ST09, STID, STB)	Human
	John Cho
Enabran Tain	Paul Dooley	Seasons 2–3,5 (DS9)	None	Cardassia resident	Leader of Obsidian Order	Cardassian
Adira Tal	Blu del Barrio	Seasons 3-5 (DSC)	Ensign	USS Discovery (S3-5)	Science officer (DSC S3-5)	Human
Gray Tal	Ian Alexander	Seasons 3-5 (DSC)	Civilian	Trill (DSC S4-5) USS Discovery (S3-4)	Guardian (DSC S5) Civilian (DSC S3-4)	Trill
T'Ana	Gillian Vigman	Seasons 1-5 (LOW)	Commander	USS Cerritos	Chief medical officer	Caitian
D'Erika Tendi	Ariel Winter	Seasons 4-5 (LOW)	Civilian	Orion	Head of House Tendi	Orion
D'Vana Tendi	Noël Wells	Seasons 1-5 (LOW)	Lieutenant, JG | Ensign	USS Cerritos	Science officer	Orion
Sylvia Tilly	Mary Wiseman	Season 1–5 (DSC) Season 1 (ST)	Lieutenant, JG (S3-5) Ensign (S2) Cadet (S1)	Starfleet Academy (S4-5) USS Discovery (S1-4)	Instructor (S4-5) Acting first officer (S3) Engineering officer (S2) Starfleet cadet (S1)	Human
T'Lyn	Danielle Ruiz	Seasons 2-5 (LOW)	Lieutenant, JG	USS Cerritos VCF Sh'vhal	Science officer	Vulcan
Tomalak	Andreas Katsulas	Seasons 3–4,7 (TNG)	Commander, Romulan Empire	IRW Terix	Commanding officer	Romulan
Tora Ziyal	Melanie Smith	Seasons 4–6 (DS9)	Civilian	Deep Space 9 resident	Artist	Bajoran/Cardassian
	Cyia Batten
B'Elanna Torres	Roxann Dawson	Seasons 1–7 (VOY)	Lieutenant, JG (provisional)	USS Voyager	Chief Engineer (S1-7) Maquis (S1)	Klingon/Human
T'Pau	Celia Lovsky	Season 2 (TOS) (Amok Time) (ENT S4)	Civilian	None	Civilian	Vulcan
	Kara Zediker
T'Pol	Jolene Blalock	Seasons 1–4 (ENT)	Commander (S4) SubCommander (S1-4)	Enterprise NX-01	First officer Science officer	Vulcan
T'Pring	Arlene Martel	Season 2 (TOS) (Amok Time) (SNW S1-2)	Civilian	None	Civilian	Vulcan
	Gia Sandhu
The Traveler	Eric Menyuk	Seasons 1,4,7 (TNG)	Civilian	Tau Alpha C resident		Unknown
T'Rina	Tara Rosling	Seasons 3-5 (DSC)	Civilian	Ni'Var	President of Ni'Var	Vulcan
Deanna Troi	Marina Sirtis	Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Seasons 6–7 (VOY) Season 4 (ENT) Seasons 1,3 (PIC) Season 1 (LOW)	Commander (TNG S7, VOY, movies) Lt. Commander (TNG S1-7)	USS Titan (NEM) USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (TNG S1-7, GEN)	Diplomatic officer (NEM) Counselor (TNG S1-7, movies)	Betazoid/Human
Lwaxana Troi	Majel Barrett	Seasons 1–5,7 (TNG) Seasons 1,3–4 (DS9)	Ambassador	Betazed resident	Federation Ambassador	Betazoid
Kestra Troi-Riker	Lulu Wilson	Season 1 (PIC S1) Nepenthe	Civilian	Nepenthe resident	Student	Human/Betazoid
Trip Tucker	Connor Trinneer	Seasons 1–4 (ENT)	Commander	Enterprise NX-01	Chief Engineer	Human
Tuvok	Tim Russ	Seasons 1–7 (VOY) Season 3 (LD) (Grounded) Season 3 (PIC)	Captain (PIC S3) Commander (LD S3) Lt. Commander (S4-7) Lieutenant (S1-4)	Starfleet Command (PIC S3) USS Voyager (VOY S1-7)	Chief of Security	Vulcan
Ash Tyler/Voq	Shazad Latif	Seasons 1–2 (DSC)	Lieutenant (S1)	USS Discovery	Chief security officer (S1)	Human/Klingon
T'Veen	Stephanie Czajkowski	Season 3 (PIC)	Lieutenant	USS Titan (NCC-80102-A) (PIC S3)	Science officer	Vulcan/Deltan
José Tyler	Peter Duryea	"The Cage"	Lieutenant	USS Enterprise	Helmsman	Human
Nyota Uhura	Nichelle Nichols	Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC) Season 5 (DS9)	Commander (WOK, SFS, TVH, TFF, TUC) Lt. Commander (TMP) Lieutenant (TOS, TAS, ST09, STID, STB)	USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB)	Communications officer	Human
	Zoe Saldana	ST09, STID, STB
	Celia Rose Gooding	SNW Seasons 1-2
Charles Vance	Oded Fehr	Seasons 3-5 (DSC)	Fleet Admiral (PIC S3-5)	Starfleet Command	Commander-in-chief of Starfleet (DSC S3-5)	Human
Vash	Jennifer Hetrick	Seasons 3–4 (TNG) Season 1 (DS9)	Civilian	Earth resident	Archeologist	Human
Vorik	Alexander Enberg	Seasons 3–5, 7 (VOY)	Ensign	USS Voyager	Engineering officer	Vulcan
Weyoun	Jeffrey Combs	Seasons 4–7 (DS9)	None	Cardassia Prime	Dominion Leader	Vorta
Naomi Wildman	Scarlett Pomers	Seasons 2–7 (VOY)	Civilian	USS Voyager resident	Captain's Assistant (unofficial)	Ktarian/Human
Samantha Wildman	Nancy Hower	Seasons 2–6 (VOY)	Ensign	USS Voyager	Science officer	Human
Winn Adami	Louise Fletcher	Seasons 1–3, 5–7 (DS9)	Kai (S3-7) Vedek (S1-2)	Bajor resident	Bajoran religious leader	Bajoran
Worf	Michael Dorn	Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Seasons 4–7 (DS9) Season 3 (PIC)	Lt. Commander (DS9, movies) Ambassador (DS9 S7) Lieutenant (TNG S3-7) Lieutenant, JG (TNG S1-2)	Starfleet Intelligence (PIC S3) USS Enterprise-E (NEM) Qo'noS (DS9 S7) Deep Space 9 (DS9 S4-7) USS Enterprise-D (S1-7, GEN)	Intelligence operative (PIC S3) Strategic operations officer (DS9 S4-7, movies) Ambassador (DS9 S7) Chief security officer (TNG S2-7) Helmsman (TNG S1)	Klingon
Tasha Yar	Denise Crosby	Seasons 1,3,7 (TNG)	Lieutenant	USS Enterprise-D	Chief security officer	Human
Kasidy Yates	Penny Johnson Jerald	Seasons 3–7 (DS9)	Captain	SS Xhosa Deep Space 9 resident	Freighter Captain	Human
Zek	Wallace Shawn	Seasons 1–3,5–7 (DS9)	Grand Nagus	Ferenginar resident	Leader of Ferengi economics	Ferengi
Zero	Angus Imrie	Seasons 1-2 (PRO)	Ensign (S2) Starfleet Academy cadet (S2) Civilian (S1)	USS Protostar NX-76884	Science officer	Medusan
Zhaban	Jamie McShane	Season 1 (PIC)	Civilian	Earth resident	Butler	Romulan

  = Main cast (credited)

  = Recurring cast (4+)

  = Guest cast (1-3)

Actor	Character	Seasons				TAS		Films						Reboot
		TC	1	2	3	1	2	I	II	III	IV	V	VI	ST	STID	STB
Main cast
Jeffrey Hunter	Christopher Pike	M	G[a]	Does not appear										Does not appear
Bruce Greenwood		Does not appear												S		Does not appear
Majel Barrett	Number One	M	Does not appear											Does not appear
	Christine Chapel	Does not appear	G	R		Main		A	Does not appear		A	Does not appear		Does not appear
Leonard Nimoy	Spock	Main												S	A	Does not appear
Zachary Quinto		Does not appear												Main
Laurel Goodwin	J. M. Colt	M	Does not appear											Does not appear
John Hoyt	Phillip Boyce	M	Does not appear											Does not appear
Peter Duryea	José Tyler	M	Does not appear											Does not appear
William Shatner	James T. Kirk	Does not appear	Main											Does not appear
Chris Pine		Does not appear												Main
DeForest Kelley	Leonard McCoy	Does not appear	R	Main										Does not appear
Karl Urban		Does not appear												Main
James Doohan	Montgomery Scott	Does not appear	Recurring			Main								Does not appear
Simon Pegg		Does not appear												Main
Nichelle Nichols	Nyota Uhura	Does not appear	Recurring			Main								Does not appear
Zoe Saldana		Does not appear												Main
George Takei	Hikaru Sulu	Does not appear	Recurring			Main								Does not appear
John Cho		Does not appear												Main
Walter Koenig	Pavel Chekov	Does not appear		R		Does not appear		Main						Does not appear
Anton Yelchin		Does not appear												Main
Ricardo Montalbán	Khan Noonien Singh	Does not appear	G	Does not appear					M	Does not appear				Does not appear
Benedict Cumberbatch		Does not appear												Does not appear	M	Does not appear
Recurring/Guest Cast
Grace Lee Whitney	Janice Rand	Does not appear	R	Does not appear				A	Does not appear		A	Does not appear	A	Does not appear
John Winston	Kyle	Does not appear	Recurring			[b]	Does not appear		A	Does not appear				Does not appear
Jim Goodwin	John Farrell	Does not appear	G	Does not appear										Does not appear
Grant Woods	Kelowitz	Does not appear	G	Does not appear										Does not appear
Michael Barrier	Vincent DeSalle	Does not appear	G		Does not appear									Does not appear
William Blackburn	Hadley	Does not appear	Recurring			Does not appear								Does not appear
Eddie Paskey	Lesley	Does not appear	Recurring			Does not appear								Does not appear
David L. Ross	Galloway	Does not appear	R		G	Does not appear								Does not appear
Roger Holloway	Roger Lemli	Does not appear		R		Does not appear								Does not appear
Frank da Vinci	Brent	Does not appear	Recurring			Does not appear								Does not appear
Bruce Hyde	Kevin Thomas Riley	Does not appear	G	Does not appear										Does not appear
Ron Veto	Harrison	Does not appear	Recurring			Does not appear								Does not appear
Mark Lenard	Sarek	Does not appear		G	Does not appear	G	Does not appear			S		A[c]		Does not appear
Ben Cross		Does not appear												S	Does not appear
Jane Wyatt	Amanda Grayson	Does not appear		G	Does not appear	[d]	Does not appear				A		Does not appear	Does not appear
Winona Ryder		Does not appear												S	Does not appear
Roger C. Carmel	Harry Mudd	Does not appear	G		Does not appear	G	Does not appear							Does not appear
Kirstie Alley	Saavik	Does not appear							S	Does not appear				Does not appear
Robin Curtis		Does not appear								S		Does not appear		Does not appear

  = Main cast (credited)

  = Recurring cast (4+)

  = Guest cast (1-3)

Actor	Character	Seasons							Films
		1	2	3	4	5	6	7	GEN	FCT	INS	NEM
Main cast
Patrick Stewart	Jean-Luc Picard	Main
Jonathan Frakes	William Riker	Main
LeVar Burton	Geordi La Forge	Main
Denise Crosby	Tasha Yar	Main		Guest				Guest
Michael Dorn	Worf	Main
Gates McFadden	Beverly Crusher	Main		Main
Marina Sirtis	Deanna Troi	Main
Brent Spiner	Data	Main
Wil Wheaton	Wesley Crusher	Main				Guest		Guest				Guest
Recurring cast
Majel Barrett	Lwaxana Troi	Guest						Guest
John de Lancie	Q	Guest					Guest
Colm Meaney	Miles O'Brien	Guest	Recurring				Guest
Brent Spiner	Lore	Guest			Guest		Guest
Eric Menyuk	The Traveler	Guest			Guest			Guest
Carel Struycken	Mr. Homn	Guest
Diana Muldaur	Katherine Pulaski		Recurring
Whoopi Goldberg	Guinan		Recurring						Guest			Guest
Lycia Naff	Sonya Gomez		Guest
Robert O'Reilly	Gowron				Guest
Suzie Plakson	K'Ehleyr		Guest		Guest
Andreas Katsulas	Tomalak			Guest				Guest
Dwight Schultz	Reginald Barclay			Guest			Guest			Guest
Tony Todd	Kurn			Guest
Rosalind Chao	Keiko O'Brien				Recurring		Guest
Denise Crosby	Sela				Guest
Barbara March	Lursa				Guest			Guest
Gwynyth Walsh	B'Etor				Guest			Guest
Patti Yasutake	Alyssa Ogawa				Recurring				Guest
Brian Bonsall	Alexander Rozhenko				Guest1	Recurring	Guest
Jonathan Del Arco	Hugh of Borg					Guest		Guest
Michelle Forbes	Ro Laren					Recurring	Guest
Ashley Judd	Robin Lefler					Guest
Ken Thorley	Mot					Guest
Natalia Nogulich	Alynna Nechayev						Guest

  = Main cast (credited)

  = Recurring cast (4+)

  = Guest cast (1-3)

Actor	Character	Seasons
		1	2	3	4	5	6	7
Main cast
Avery Brooks	Benjamin Sisko	Main
René Auberjonois	Odo	Main
Terry Farrell	Jadzia Dax	Main
Cirroc Lofton	Jake Sisko	Main
Colm Meaney	Miles O'Brien	Main
Armin Shimerman	Quark	Main
Alexander Siddig	Julian Bashir	Main
Nana Visitor	Kira Nerys	Main
Michael Dorn	Worf				Main
Nicole de Boer	Ezri Dax							Main
Recurring cast
Marc Alaimo	Dukat	Guest	Recurring
Rosalind Chao	Keiko O'Brien	Recurring		Guest	Recurring		Guest
Aron Eisenberg	Nog	Recurring
Max Grodénchik	Rom	Recurring
Hana Hatae	Molly O'Brien	Guest			Recurring	Guest
Andrew Robinson	Elim Garak	Guest	Recurring
Mark Allen Shepherd	Morn	Recurring
Louise Fletcher	Winn Adami	Guest	Recurring	Guest		Guest		Recurring
Philip Anglim	Bareil Antos	Guest	Recurring	Guest			Guest
Majel Barrett	Lwaxana Troi	Guest		Guest
Felecia M. Bell	Jennifer Sisko	Guest		Guest
Camille Saviola	Opaka Sulan	Guest			Guest
Wallace Shawn	Zek	Guest				Guest
Tiny Ron Taylor	Maihar'du	Guest				Guest
John Colicos	Kor		Guest		Guest			Guest
Paul Dooley	Enabran Tain		Guest			Guest
Julianna McCarthy	Mila			Guest				Guest
Natalia Nogulich	Alynna Nechayev		Guest
James Sloyan	Mora Pol		Guest			Guest
Jonathan Frakes	Thomas Riker			Guest
Salome Jens	Female Changeling			Recurring	Guest		Recurring
Penny Johnson Jerald	Kasidy Yates			Guest	Recurring	Guest		Recurring
Chase Masterson	Leeta			Guest		Recurring
Kenneth Marshall	Michael Eddington			Recurring		Guest
Robert O'Reilly	Gowron			Guest				Guest
Duncan Regehr	Shakaar Edon			Guest
Jeffrey Combs	Brunt			Guest
	Weyoun				Guest	Recurring
Casey Biggs	Damar				Guest		Recurring
J. G. Hertzler	Martok				Guest	Recurring
Brock Peters	Joseph Sisko				Guest		Guest
Melanie Smithf	Tora Ziyal				Guest	Recurring
Cecily Adamsf	Ishka			Guest		Guest
James Darren	Vic Fontaine						Guest	Recurring
Barry Jenner	William Ross						Recurring
William Sadler	Luther Sloan						Guest
Marc Worden	Alexander Rozhenko						Guest
Deborah Lacey	Sarah Sisko							Recurring
John Vickery	Rusot							Recurring

  = Main cast (credited)

  = Recurring cast (4+)

  = Guest cast (1-3)

Actor	Character	Seasons
		1	2	3	4	5	6	7
Main cast
Kate Mulgrew	Kathryn Janeway	Main
Robert Beltran	Chakotay	Main
Roxann Dawson	B'Elanna Torres	Main
Robert Duncan McNeill	Tom Paris	Main
Jennifer Lien	Kes	Main[e]					Main[e]
Ethan Phillips	Neelix	Main
Robert Picardo	The Doctor	Main
Tim Russ	Tuvok	Main
Garrett Wang	Harry Kim	Main
Jeri Ryan	Seven of Nine				Main
Recurring cast
Josh Clark	Joe Carey	Recurring				Guest
Anthony De Longis	Jal Culluh	Guest	Recurring	Guest
Martha Hackett	Seska	Recurring		Guest				Guest
Derek McGrath	Chell	Guest						Guest
Simon Billig	Hogan		Recurring	Guest
John de Lancie	Q		Guest					Guest
Brad Dourif	Lon Suder		Guest
Richard Herd[f]	Owen Paris		Guest			Guest
Nancy Hower	Samantha Wildman		Recurring	Guest
Scarlett Pomers[g]	Naomi Wildman		Guest			Recurring		Guest
Raphael Sbarge	Michael Jonas		Recurring
Dwight Schultz	Reginald Barclay		Guest				Guest	Recurring
Susan Patterson	Kaplan			Recurring
Alexander Enberg	Vorik			Guest				Guest
John Rhys-Davies	Leonardo da Vinci			Guest
Martin Rayner	Doctor Chaotica					Guest		Guest
Susanna Thompson[h]	Borg Queen					Guest
Manu Intiraymi	Icheb						Recurring
Marley S. McClean	Mezoti						Recurring	Guest
Zoe McLellan	Tal Celes						Guest
Marina Sirtis	Deanna Troi						Guest
Cody Wetherill	Rebi						Recurring	Guest
Kurt Wetherill	Azan						Recurring	Guest

  = Main cast (credited)

  = Recurring cast (4+)

  = Guest cast (1-3)

Actor	Character	Season				Ref
		1	2	3	4
Main cast
Scott Bakula	Jonathan Archer	Main				[1]
Jolene Blalock	T'Pol	Main				[1]
John Billingsley	Phlox	Main				[2]
Dominic Keating	Malcolm Reed	Main				[3]
Anthony Montgomery	Travis Mayweather	Main				[4]
Linda Park	Hoshi Sato	Main				[5]
Connor Trinneer	Charles "Trip" Tucker III	Main				[6]
Recurring cast
Vaughn Armstrong	Maxwell Forrest	Recurring			Recurring	[7]
Jeffrey Combs	Thy'lek Shran	Guest			Recurring	[8]
Jim Fitzpatrick	Marcus Williams	Guest			Guest
John Fleck	Silik	Recurring	Guest		Guest	[9]
Gary Graham	Soval	Guest	Recurring	Guest	Recurring	[10]
James Horan	Humanoid figure[n 1]	Recurring	Guest			[12]
Kellie Waymire	Elizabeth Cutler	Recurring				[13]
Joseph Will	Michael Rostov	Guest				[14]
Matt Winston	Daniels	Guest		Recurring	Guest	[13]
Daniel Riordan	Duras		Guest
Nathan Anderson	N. Kemper			Guest
Molly Brink	Talas			Guest		[15]
Steven Culp	J. Hayes			Recurring
Daniel Dae Kim	D. Chang			Recurring
Ken Lally	Taylor			Guest
Scott MacDonald	Dolim			Recurring		[16]
Sean McGowan	F. Hawkins			Recurring
Randy Oglesby	Degra			Recurring		[16]
Tucker Smallwood	Xindi Primate Councillor			Recurring		[17]
Rick Worthy	Jannar			Recurring		[16]
Joanna Cassidy	T'Les				Recurring	[18]
Ada Maris	Erika Hernandez				Recurring	[18]
Derek Magyar	Kelby				Recurring
Kara Zediker	T'Pau				Guest
Eric Pierpoint	Harris				Recurring	[19]
Michael Reilly Burke	Koss				Recurring	[20]

  = Main cast (credited)

  = Recurring cast (3+)

  = Guest cast (1-2)

Actor	Character	Seasons
		1	2	3	4	5
Main cast
Sonequa Martin-Green	Michael Burnham	Main
Doug Jones	Saru	Main				Main[i]
Shazad Latif	Voq	Recurring[j]	Does not appear
	Ash Tyler	Main		Does not appear
Anthony Rapp	Paul Stamets	Main
Mary Wiseman	Sylvia Tilly	Main			Main[i]	Main
Jason Isaacs	Gabriel Lorca	Main	Does not appear
Wilson Cruz	Hugh Culber	Recurring	Main[i]		Main
Anson Mount	Christopher Pike	Does not appear	Main	Does not appear
Rachael Ancheril	Nhan	Does not appear	Recurring	Main[i]	Guest
David Ajala	Cleveland "Book" Booker	Does not appear		Main[i]
Tig Notaro	Jett Reno	Does not appear	Recurring		Main[i]
Blu del Barrio	Adira Tal	Does not appear		Recurring	Main[i]
Callum Keith Rennie	Rayner	Does not appear				Main
Recurring cast
Michelle Yeoh	Philippa Georgiou	Recurring[k]			Does not appear
Emily Coutts	Keyla Detmer	Recurring
Oyin Oladejo	Joann Owosekun	Recurring
Patrick Kwok-Choon	Gen Rhys	Recurring
Ronnie Rowe Jr.	R.A. Bryce	Recurring				Guest
Mary Chieffo	L'Rell	Recurring	Guest	Does not appear
James Frain	Sarek	Recurring		Does not appear
Jayne Brook	Katrina Cornwell	Recurring		Does not appear
Kenneth Mitchell	Kol	Recurring	Does not appear
	Kol-sha	Does not appear	Guest	Does not appear
	Tenavik	Does not appear	Guest	Does not appear
	Aurellio	Does not appear		Guest	Does not appear
Rainn Wilson	Harry Mudd	Guest	Does not appear
Rekha Sharma	Ellen Landry	Recurring	Does not appear	Guest	Does not appear
Sara Mitich	Airiam	Recurring	Does not appear
Hannah Cheesman		Does not appear	Recurring	Guest	Does not appear	Guest
Sara Mitich	Nilsson	Does not appear	Recurring			Does not appear
Mia Kirshner	Amanda Grayson	Guest	Recurring	Does not appear
Ethan Peck	Spock	Does not appear	Recurring	Archive	Does not appear
Raven Dauda	Tracy Pollard	Guest	Recurring			Guest
David Benjamin Tomlinson	Linus	Does not appear	Recurring
Rebecca Romijn	Number One	Does not appear	Recurring	Does not appear
Alan van Sprang	Leland	Does not appear	Recurring	Does not appear
Sonja Sohn	Gabrielle Burnham	Does not appear	Recurring	Guest		Does not appear
Oded Fehr	Charles Vance	Does not appear		Recurring
Ian Alexander	Gray Tal	Does not appear		Recurring		Guest
David Cronenberg	Kovich	Does not appear		Recurring
Annabelle Wallis (voice)	Zora	Does not appear		Recurring
Durban and Leeu	Grudge	Does not appear		Recurring
Vanessa Jackson	Audrey Willa	Does not appear		Recurring	Guest	Does not appear
Noah Averbach-Katz	Ryn	Does not appear		Recurring	Does not appear
Janet Kidder	Osyraa	Does not appear		Recurring	Does not appear
Tara Rosling [de]	T'Rina	Does not appear		Guest	Recurring
Chelah Horsdal	Laira Rillak	Does not appear			Recurring	Guest
Orville Cummings	Christopher	Does not appear			Recurring
Shawn Doyle	Ruon Tarka	Does not appear			Recurring	Does not appear
Elias Toufexis	Cold	Guest	Does not appear
	L'ak	Does not appear				Recurring
Eve Harlow	Moll	Does not appear				Recurring
Victoria Sawal	Naya	Does not appear				Recurring
Natalie Liconti	Gallo	Does not appear				Recurring
Christina Dixon	Asha	Does not appear				Recurring
Tony Nappo	Ruhn	Does not appear				Recurring
Dorian Grey	Arisar	Does not appear				Recurring

  = Main cast (Credited main cast member)

  = Recurring cast (3+ appearances in a season)

  = Guest cast (1-2 appearances per season)

Actor	Character	Seasons
		1	2	3
Main cast
Patrick Stewart	Jean-Luc Picard	Main
Alison Pill	Agnes Jurati / Borg Queen	Main		Does not appear
Isa Briones	Soji Asha	Main		Does not appear
	Dahj Asha	Main	Does not appear
	Sutra	Main	Does not appear
	Kore Soong	Does not appear	Main	Does not appear
Harry Treadaway	Narek	Main	Does not appear
Michelle Hurd	Raffi Musiker	Main
Santiago Cabrera	Chris Rios	Main		Does not appear
Evan Evagora	Elnor	Main		Does not appear
Jeri Ryan	Seven of Nine	Recurring[a]	Main
Orla Brady	Laris	Recurring	Main	Guest
	Tallinn	Does not appear	Main	Does not appear
Brent Spiner	Data	Special guest	Does not appear	Recurring[b]
	Altan Inigo Soong	Special guest	Does not appear	Special guest
	Adam Soong	Does not appear	Main	Does not appear
	Lore	Does not appear		Recurring
Ed Speleers	Jack Crusher	Does not appear		Main
Recurring cast
Jonathan Del Arco	Hugh	Recurring[c]	Does not appear
Jamie McShane	Zhaban	Recurring	Does not appear
Tamlyn Tomita	Commodore Oh	Recurring	Does not appear
Peyton List	Narissa	Recurring	Does not appear
Rebecca Wisocky	Ramdha	Recurring	Does not appear
Annie Wersching	Borg Queen	Does not appear	Recurring	Does not appear
John de Lancie	Q	Does not appear	Recurring[b]	Guest
Whoopi Goldberg	Guinan	Does not appear	Special guest	Does not appear
Ito Aghayere		Does not appear	Recurring	Does not appear
Penelope Mitchell	Renée Picard	Does not appear	Recurring	Does not appear
Sol Rodríguez	Dr. Teresa Ramirez	Does not appear	Recurring	Does not appear
Jonathan Frakes	William Riker	Special guest	Does not appear	Recurring[b]
Marina Sirtis	Deanna Troi	Guest[d]	Does not appear	Recurring[d]
Gates McFadden	Beverly Crusher	Does not appear		Recurring[b]
Todd Stashwick	Captain Liam Shaw	Does not appear		Recurring
Ashlei Sharpe Chestnut	Sidney La Forge	Does not appear		Recurring
Michael Dorn	Worf	Does not appear		Recurring[b]
Amanda Plummer	Vadic	Does not appear		Recurring
LeVar Burton	Geordi La Forge	Does not appear		Recurring[b]
Mica Burton	Alandra La Forge	Does not appear		Recurring
Special guests
Wil Wheaton	Wesley Crusher	Does not appear	Guest	Does not appear
Thomas Dekker	Titus Rikka	Does not appear		Guest
Daniel Davis	Professor James Moriarty	Does not appear		Guest
Michelle Forbes	Commander Ro Laren	Does not appear		Special guest
Tim Russ	Tuvok	Does not appear		Special guest
Elizabeth Dennehy	Fleet Admiral Elizabeth Shelby	Does not appear		Special guest
Alice Krige	Borg Queen	Does not appear		Special guest

  = Main cast (credited main cast member)

  = Recurring cast (3+ appearances in a season)

  = Guest cast (1–2 appearances per season)

Actor	Character	Seasons
		1	2	3	4	5
Main cast
Tawny Newsome	Beckett Mariner	Main
Jack Quaid	Brad Boimler	Main[a]
	William Boimler	Does not appear	Main[a]		Does not appear
Noël Wells	D'Vana Tendi	Main
Eugene Cordero	Sam Rutherford	Main[b]
	Red Rutherford	Does not appear		Main[b]	Does not appear
Dawnn Lewis	Carol Freeman	Main
Jerry O'Connell	Jack Ransom	Main
Fred Tatasciore	Shaxs	Main
Gillian Vigman	T'Ana	Main
Recurring cast
Paul Scheer	Andy Billups	Recurring
Jessica McKenna	Barnes	Recurring
Ben Rodgers	Steve Stevens	Recurring			Does not appear
Jack McBrayer	Badgey	Recurring	Does not appear	Guest		Does not appear
Lauren Lapkus	Jennifer Sh'reyan	Guest	Recurring		Does not appear	Guest
Phil LaMarr	Alonzo Freeman	Guest	Recurring	Guest		Does not appear
Carl Tart	Kayshon	Does not appear	Recurring
Paul F. Tompkins	Gabers Migleemo	Guest		Recurring		Guest
Carlos Alazraqui	Les Buenamigo	Does not appear		Recurring	Does not appear
Georgia King	Petra Aberdeen	Does not appear		Recurring	Does not appear
Gabrielle Ruiz	T'Lyn	Does not appear	Guest		Recurring
Jon Curry	Ma'ah	Does not appear	Guest	Does not appear	Recurring	Does not appear
Ariel Winter	D'Erika Tendi	Does not appear			Recurring
Special guests and legacy characters
Jonathan Frakes	William Riker	Special guest		Does not appear
John de Lancie	Q	Special guest	Does not appear
Marina Sirtis	Deanna Troi	Special guest	Does not appear
Robert Duncan McNeill	Tom Paris	Does not appear	Special guest	Does not appear
	Nick Locarno	Does not appear			Guest	Does not appear
Jeffrey Combs	AGIMUS	Does not appear	Special guest			Does not appear
Alice Krige	Borg Queen	Does not appear	Guest	Does not appear
Lycia Naff	Sonya Gomez	Does not appear	Guest	Does not appear
Armin Shimerman	Quark	Does not appear		Special guest	Does not appear
Nana Visitor	Kira Nerys	Does not appear		Special guest	Does not appear
George Takei	Hikaru Sulu	Does not appear		Special guest	Does not appear
James Cromwell	Zefram Cochrane	Does not appear		Guest	Does not appear
J.G. Hertzler	Martok	Does not appear		Guest	Does not appear
Susan Gibney	Leah Brahms	Does not appear		Guest	Does not appear
Max Grodénchik	Rom	Does not appear			Special guest	Does not appear
Chase Masterson	Leeta	Does not appear			Special guest	Does not appear
Wil Wheaton	Wesley Crusher	Does not appear			Special guest	Does not appear
Shannon Fill	Sito Jaxa	Does not appear			Guest	Does not appear

  = Main cast (credited)

  = Recurring cast (3+)

  = Guest cast (1-2)

Actor	Character	Seasons
		1	2
Main cast
Brett Gray	Dal R'El	Main
Ella Purnell	Gwyndala	Main
Jason Mantzoukas	Jankom Pog	Main
Angus Imrie	Zero	Main
Rylee Alazraqui	Rok-Tahk	Main
Dee Bradley Baker	Murf	Main
Jimmi Simpson	Drednok	Main
	The Lorekeeper	Does not appear	Main
John Noble	Ilthuran / The Diviner	Main
Kate Mulgrew	Kathryn Janeway	Main
Robert Beltran	Chakotay	Recurring	Main
Robert Picardo	The Doctor	Does not appear	Main[a]
Jameela Jamil	Asencia / The Vindicator	Recurring	Main[b]
Wil Wheaton	Wesley Crusher	Does not appear	Main[c]
Recurring cast
Jason Alexander	Noum	Recurring
Daveed Diggs	Tysess	Recurring
Ronny Cox	Edward Jellico	Guest	Recurring
Michaela Dietz	Maj'el	Does not appear	Recurring
Sunkrish Bala	Zeph	Does not appear	Recurring
Susanne Blakeslee	Kathon	Does not appear	Recurring
John Pirkis	Borom	Does not appear	Recurring

  = Main cast (credited)

  = Recurring cast (3+)

  = Guest cast (1-2)

Actor	Character	Seasons
		1	2
Main cast
Anson Mount	Christopher "Chris" Pike	Main
Ethan Peck	Spock	Main
Jess Bush	Christine Chapel	Main
Christina Chong	La'an Noonien-Singh	Main
Celia Rose Gooding	Nyota Uhura	Main
Melissa Navia	Erica Ortegas	Main
Babs Olusanmokun	Joseph M'Benga	Main
Bruce Horak	Hemmer	Main	Guest
Rebecca Romijn	Una Chin-Riley / Number One	Main
Recurring cast
Dan Jeannotte	Sam Kirk	Recurring
Rong Fu	Jenna Mitchell	Recurring
Gia Sandhu	T'Pring	Recurring	Guest
Adrian Holmes	Robert April	Guest	Recurring
Melanie Scrofano	Marie Batel	Guest	Recurring
Paul Wesley	James T. Kirk	Special guest	Recurring
Carol Kane	Pelia	Does not appear	Recurring
Special guests and legacy characters
Matthew Wolf	Montgomery Scott	Voice	Does not appear
Martin Quinn		Does not appear	Guest
Mia Kirshner	Amanda Grayson	Does not appear	Guest
Tawny Newsome	Beckett Mariner	Does not appear	Special guest
Jack Quaid	Brad Boimler	Does not appear	Special guest
Noël Wells	D'Vana Tendi	Does not appear	Special guest
Eugene Cordero	Sam Rutherford	Does not appear	Special guest
Jerry O'Connell	Jack Ransom	Does not appear	Special guest

Star Trek has an ongoing tradition of actors returning to reprise their roles in other spin-off series. In some instances, actors have portrayed potential ancestors, descendants, or relatives of characters they originated. Characters have also been recast for later appearances.

Actor(s)	Character	The Original Series (1966–1969)	The Animated Series (1973–1974)	The Next Gene­ration (1987–1994)	Deep Space Nine (1993–1999)	Voyager (1995–2001)	Enter­prise (2001–2005)	Disco­very (2017–present)	Short Treks[α] (2018–2020)	Picard (2020–2023)	Lower Decks (2020–present)	Prodigy (2021–present)	Strange New Worlds (2022–present)	Very Short Treks[β] (2023)
William Shatner	James T. Kirk	Main			Archive footage[γ]		Archive audio[δ]		Archive audio[ε]
Paul Wesley													Recurring
Jeffrey Hunter	Christopher Pike	Main[ζ]						Archive footage[η]
Sean Kenney		Guest[θ]
Anson Mount								Main[ι]	Guest				Main
Leonard Nimoy	Spock	Main		Guest	Archive footage[γ]			Archive footage[κ]				Archive audio
Ethan Peck								Recurring	Guest				Main	Guest
DeForest Kelley	Leonard McCoy	Main[λ]		Guest	Archive footage[γ]				Guest[μ]
James Doohan	Scotty	Co-star		Guest	Archive footage[γ]							Archive audio
Carlos Alazraqui														Guest
Nichelle Nichols	Uhura	Co-star			Archive footage[γ]							Archive audio
Celia Rose Gooding													Main	Guest
George Takei	Hikaru Sulu	Co-star				Guest			Archive audio[ε]		Guest			Guest
Walter Koenig	Pavel Chekov	Co-star[ν]			Archive footage[γ]					Guest[ξ]
Jess Bush	Christine Chapel												Main
Majel Barrett		Co-star
	Computer Voice	Recurring								Archive audio
	Lwaxana Troi			Recurring
	Una "Number One" Chin-Riley	Guest						Archive footage[η]
Rebecca Romijn								Recurring	Guest				Main
Grace Lee Whitney	Janice Rand	Recurring				Guest
Roger C. Carmel	Harry Mudd	Recurring	Guest
Rainn Wilson								Recurring	Guest
Patrick Stewart	Jean-Luc Picard			Main	Guest		Archive audio[δ]		Archive footage[ο]	Main
Jonathan Frakes	William Riker			Main	Guest[π]					Recurring	Guest			Guest
LeVar Burton	Geordi La Forge			Main		Guest				Recurring
Michael Dorn	Worf			Main[ρ]						Recurring
Gates McFadden	Beverly Crusher			Main[σ]						Recurring		Guest		Guest
Marina Sirtis	Deanna Troi			Main		Guest				Recurring	Guest
Brent Spiner	Data			Main			Guest[τ]			Recurring
	Arik Soong						Guest
	Altan Inigo Soong									Guest
	Adam Soong									Main
Wil Wheaton	Wesley Crusher			Main[υ]						Guest		Main
Diana Muldaur	Katherine Pulaski			Main[φ]
	Ann Mulhall	Guest
	Miranda Jones	Guest
John de Lancie	Q			Recurring	Guest	Recurring				Recurring	Guest
Whoopi Goldberg	Guinan			Recurring						Guest
Ito Aghayere										Recurring
Dwight Schultz	Reginald Barclay			Recurring		Recurring
Jon Paul Steuer	Alexander Rozhenko			Guest
Brian Bonsall				Recurring
James Sloyan				Guest[χ]
Marc Worden					Recurring
Jonathan Del Arco	Hugh			Recurring						Recurring
Michelle Forbes	Dara			Guest
	Ro Laren			Recurring						Guest
Alice Krige	Borg Queen					Guest				Guest
Susanna Thompson						Recurring
Annie Wersching										Recurring
René Auberjonois	Odo				Main							Archive audio
Colm Meaney	Miles O'Brien			Recurring	Main
Armin Shimerman	Quark			Guest	Main	Guest					Guest			Guest
Alexander Siddig[ψ]	Julian Bashir			Guest	Main
Nana Visitor	Kira Nerys				Main						Guest
Rosalind Chao	Keiko O'Brien			Recurring
Kate Mulgrew	Kathryn Janeway					Main						Main
Robert Beltran	Chakotay					Main						Main
Robert Duncan McNeill	Tom Paris					Main					Guest
Ethan Phillips	Neelix					Main								Guest
Robert Picardo	The Doctor				Guest[ω]	Main						Main
Tim Russ	Tuvok				Guest[αα]	Main				Guest
Jeri Ryan	Seven of Nine					Main[αβ]				Main
Manu Intiraymi	Icheb					Recurring
Mark Bennington						Guest
Casey King										Guest
Connor Trinneer	Trip Tucker						Main							Guest
Sonequa Martin-Green	Michael Burnham							Main
Kyrie Mcalpin									Guest
Doug Jones	Saru							Main	Guest					Guest
Mary Wiseman	Sylvia Tilly							Main	Guest
Mark Lenard	Sarek	Guest
James Frain								Recurring
Jane Wyatt	Amanda Grayson	Guest
Majel Barrett			Guest
Mia Kirshner								Recurring					Guest
Tawny Newsome	Beckett Mariner										Main		Guest
Jack Quaid	Brad Boimler										Main		Guest
Noël Wells	D'Vana Tendi										Main		Guest
Eugene Cordero	Sam Rutherford										Main		Guest
Jerry O'Connell	Jack Ransom										Main		Guest
Angus Imrie	Zero											Main		Guest
Booker Bradshaw	Joseph M'Benga	Recurring
Babs Olusan­mokun													Main
Bruce Horak	Hemmer												Main	Guest
Arlene Martel	T'Pring	Guest
Gia Sandhu													Recurring	Guest
^ Star Trek: Short Treks is a series of short films which do not form a cohesive story. There is no main cast. ^ Star Trek: Very Short Treks is a series of short films which do not form a cohesive story. There is no main cast. ^ a b c d e f Appeared in "Trials and Tribble-ations" via archive footage ^ a b Appeared in "These Are the Voyages..." via archive voice over ^ a b Appeared in "Ephraim and Dot" via animation and archive voice footage ^ Jeffrey Hunter was billed as a starring cast member in pilot episode "The Cage". Appeared in "The Menagerie", Parts I and II, via archive footage. ^ a b Appeared in "If Memory Serves" via archive footage ^ Sean Kenny appeared in "The Menagerie", Parts I and II. ^ Anson Mount appeared in Season 2 of Star Trek: Discovery as a main cast member. ^ Appeared in "If Memory Serves" and "Unification III" via archive footage ^ DeForest Kelley was billed as a co-star for the first season of the Original Series. ^ Appeared in "Ephraim and Dot" via animation ^ Walter Koenig was billed as a co-star in season 2 of the Original Series. ^ Koenig played Pavel Chekov's son on Picard. ^ Appeared in "Children of Mars" via archive footage from "Remembrance" (Picard) ^ Frakes appeared on Deep Space Nine as Thomas Riker, a clone of William Riker created by a transporter accident. ^ Michael Dorn joined the cast of Deep Space Nine in "The Way of the Warrior". ^ Gates McFadden was replaced by Diana Muldaur as the ship's doctor for Season 2 of the Next Generation. ^ Brent Spiner made an uncredited voice cameo in "These Are the Voyages...". ^ Wil Wheaton left the cast of the Next Generation in "Final Mission". He appeared in "The Game", "The First Duty", "Parallels" and "Journey's End" as a guest. ^ For each of her Season 2 appearances, Diana Muldaur was billed Special Guest. ^ James Sloyan appeared as a future Alexander Rozhenko in "Firstborn". ^ Alexander Siddig was billed Siddig el Fadil from 1993 to 1995, and for his guest appearance on the Next Generation. ^ Robert Picardo appeared as a different Emergency Medical Hologram, and as its creator Lewis Zimmerman, in "Doctor Bashir, I Presume?". ^ Tim Russ appeared in "Through the Looking Glass" as the Mirror Universe analogue of Tuvok. ^ Jeri Ryan joined the cast of Voyager in "Scorpion, Part II".

• Additional Lists of Star Trek characters in alternate categorization schemes
• List of Star Trek episodes