The Mysterious Mr. M

The Mysterious Mr. M
Directed by	Lewis D. Collins Vernon Keays
Written by	Paul Huston Joseph F. Poland
Starring	Richard Martin Pamela Blake Dennis Moore Edmund MacDonald Byron Foulger
Cinematography	Gus Peterson
Distributed by	Universal Pictures
Release date	August 1, 1946 (1946-08-01)[1]
Running time	13 chapters (227 minutes)
Country	United States
Language	English

The Mysterious Mr. M is a 1946 Universal Pictures movie serial, the 137th and last serial produced by Universal.

Anthony Waldron intends to steal a new submarine invention from Dr. Kittridge while blaming a fictitious mastermind he calls "Mr. M." To further this plan, Waldron uses a mind control drug he has developed called "Hypnotreme." However, a mystery villain soon appears claiming to be the real Mr. M and starts giving Waldron orders.

Federal agent Grant Farrell, whose brother was killed by Waldron, is dispatched to find the mysterious villain and stop his nefarious plans, teaming up with Kirby Walsh and Shirley Clinton to do so.

• Richard Martin as Detective Lieutenant Kirby Walsh
• Pamela Blake as Shirley Clinton, insurance investigator
• Dennis Moore as Agent Grant Farrell
• Edmund MacDonald as Anthony Waldron, the original villain
• Virginia Brissac as Cornelia Waldron
• Jack Ingram as William Shrag, the chief henchman
• Danny Morton as Derek Lamont, one of Waldron's henchmen
• Byron Foulger as Wetherby
• Jane Randolph as Marina Lamont, one of Waldron's henchmen

_SOURCE:^[1]

1. When Clocks Chime Death
2. Danger Downward
3. Flood of Flames
4. The Double Trap
5. Highway Execution
6. Heavier than Water
7. Strange Collision
8. When Friend Kills Friend
9. Parachute Peril
10. The Human Time-bomb
11. The Key to Murder
12. High-line Smash-up
13. The Real Mr. M

_SOURCE:^[1]

• List of film serials by year
• List of film serials by studio

• The Mysterious Mr. M at IMDb
• The Mysterious Mr. M at AllMovie