The Mysterious Mr. M
- Movies
- 1946-07-23
- EN
- Released
- 4h 47m
- US
- Action - Mystery
Production
Universal Pictures
Tagline
1000 startling adventures! 1000 weird sensations!
Storyline
An evil scientist known as "Mr. M." uses a drug he has developed called "hypnotreme" to help steal submarine equipment. Federal agent Grant Farrell is dispatched to find the mysterious villain and stop his nefarious plans.
