The Mysterious Mr. M (1946)
1000 startling adventures! 1000 weird sensations!
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.
- Release Date: 1946-07-23
- Runtime: 3h 47min
- Production Company: Universal Pictures
- Production Country: United States of America
- Directors: Vernon Keays, Lewis D. Collins.
- Writer: Barry Shipman
