onwards of season 11 only; recurring episodes 4, 6 & 7. Agent Grisha "G." Callen (born: Nikolaev) (portrayed by Chris O'Donnell) is the NCIS Special Agent...

and Wardell Pomeroy in Kinsey. O'Donnell also starred as Special Agent G. Callen on the CBS crime drama television series NCIS: Los Angeles, a spin-off...

backdoor pilot of NCIS: Los Angeles. "Legend" introduces Chris O'Donnell as G. Callen, LL Cool J as Sam Hanna, Daniela Ruah as Kensi Blye, and Barrett Foa as...

Callen may refer to: Callen, Landes, France Callan, County Kilkenny, Ireland; also spelled Callen Callen Point, a promontory in the Maine, United States...

appeared in both parts of the event as Danny Williams, Chin Ho Kelly, G. Callen, and Sam Hanna, respectively. The episodes both received mostly positive...

retired Navy Admiral Hollace Kilbride, Sam's partner, NCIS Special Agent G. Callen prepares to return to Los Angeles with Tennant accompanying him. As Kilbride...

on NCIS: Los Angeles as Dracul Comescu, an enemy to NCIS Special Agent G. Callen (Chris O'Donnell) with the role even expanding over to the Hawaii Five-0...

team, which includes old teammates Nate and Nell. Chris O'Donnell as G. Callen, NCIS Special Agent in Charge of the Office of Special Projects. Peter...

and prop-artisan, OSP is led by G. Callen, a street kid turned special agent with a desire to find out who he is. Callen works alongside Kensi Blye, a forensic...

Keller, former partner and potential romantic interest for Special Agent G. Callen (Chris O'Donnell). Nichols' character appears in the sixth episode of...

graduated when one of his instructors told him stories of NCIS Special Agent G. Callen, an agent assigned to the NCIS Office of Special Projects in Los Angeles...

Blye (season 2) LL Cool J as Sam Hanna (season 2) Chris O'Donnell as G. Callen (season 2) Craig Robert Young as Dracul Comescu (season 2) Jay Hernandez...

Jimmy Palmer, Chief Medical Examiner for NCIS. Chris O'Donnell as Grisha "G." Callen, NCIS Supervisory Special Agent of the Office of Special Projects in Los...

Shannon Cookie's Fortune – Jason Brown NCIS: Los Angeles – G. Callen Hawaii Five-0 – G. Callen Josh Hartnett Blow Dry – Brian Allen Town & Country – Tom...

appearance in NCIS: Los Angeles, revealing that he has worked with Agent G. Callen in the past. Kort returns in Season 13 "Dead Letter", with a glass eye...

Starting in 2017, he played the father of Chris O'Donnell's character (G. Callen) in NCIS: Los Angeles. His final appearance, and final acting role to...

Medical Examiner for the Washington DC team. Chris O'Donnell as Grisha "G." Callen, NCIS Supervisory Special Agent of the Office of Special Projects in Los...

form of a two-part crossover. Chris O’Donnell and LL Cool J appeared as G. Callen and Sam Hanna in the twenty-first episode of the season titled "Pa Make...

#27 with a total of 6.42 million viewers. Chris O'Donnell as Grisha "G." Callen, NCIS Supervisory Special Agent (SSA) and Team leader Daniela Ruah as...

with Eric Beale, Abby developed friendships with the OSP team, including G. Callen (Chris O'Donnell), Sam Hanna (LL Cool J), and most notably the operations...

Mills as Jesse Boone, NCIS second-in-command Chris O'Donnell as Grisha "G." Callen, NCIS Supervisory Special Agent LL Cool J as Sam Hanna, NCIS Senior Field...

viewers for the 2011–12 U.S. network television season. Chris O'Donnell as G. Callen, NCIS Senior Special Agent (SSA) of the Office of Special Projects (O...

Callen Radcliffe Tjader Jr. (/ˈdʒeɪdər/ JAY-dər; July 16, 1925 – May 5, 1982) was an American Latin Jazz musician, often described as the most successful...

vendor to disguise himself. NCIS: Los Angeles: The pilot begins with Agent G. Callen waking up in his small apartment overlooking the pier. 24: Jack tracks...

portrayed G. Callen, an NCIS Special Agent in charge of the Office of Special Projects team in Los Angeles. Though his friends call him "G" he does not...

playing in the NHL's Anaheim Ducks organization Chris O'Donnell, actor (G. Callen on NCIS: Los Angeles) Tom O'Halleran, member of the United States House...

includes the 300th episode of the series. Chris O'Donnell as Grisha "G." Callen, NCIS Supervisory Special Agent (SSA) and Team leader Daniela Ruah as...

and Renée Felice Smith as series regulars. Chris O'Donnell as Grisha "G." Callen, NCIS Supervisory Special Agent (SSA) and Special Agent-in-Charge (SAC)...

Jason as Robert King, Biological Weapons Specialist Chris O'Donnell as G. Callen, NCIS Senior Special Agent attached to the Office of Special Projects...

23 with a total of 10.50 million viewers. Chris O'Donnell as Grisha "G." Callen, NCIS Special Agent in Charge (SAC) Daniela Ruah as Kensi Blye, NCIS Junior...