Poster of The Mysterious Mr. M

The Mysterious Mr. M (1946)

1946-07-23 • Action, Mystery • 3h47m • Released

3.8

User Score

1000 startling adventures! 1000 weird sensations!

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Overview

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.

Universal Pictures

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