MovieChat Forums > The Mysterious Mr. M (1946) Discussion
The Mysterious Mr. M (1946) (movie): 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. Discover the latest Discussions, Reviews, Quotes, Theories, Explanations and Analysis of The Mysterious Mr. M (1946) below
Directed by: Lewis D. Collins, Vernon Keays
Cast: Edmund MacDonald, Pamela Blake, Danny Morton
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