IMDb
6.5 /10
145 votes
Action · Mystery · 1946 · 3h 47min
The Mysterious Mr. M.
ActionMystery
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.
Directors: Vernon Keays, Lewis D. Collins
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