The Mysterious Mr. M

1000 startling adventures! 1000 weird sensations!

The Mysterious Mr. M — Plot

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
• July 23, 1946
• Runtime
• 227 min
• Genres
• Action, Mystery
• Director
• Lewis D. Collins

The Mysterious Mr. M — Cast

Edmund MacDonald Anthony Waldron Pamela Blake Shirley Clinton Danny Morton Derek Lamont Virginia Brissac Cornelia Waldron Joseph Crehan Dan Blair Jack Ingram William Shrag Dennis Moore Agent Grant Farrell Richard Martin Detective Lt. Kirby Walsh