The Mysterious Mr. M (movie)
- User score: 3.8
- Production country: United States of America
- Producer: Vernon Keays , Lewis D. Collins
- Production companies: Universal Pictures
- Genre: Action, Mystery
- Release date: 7/23/1946
- Run time: 227 min.
Movie description
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.
