![The Mysterious Mr. M Poster](https://image.tmdb.org/t/p/w500//a620dqtrkiP7qvNpM3tKj9BheiO.jpg)
The Mysterious Mr. M
38.00%
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July 23, 1946
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Action, Mystery
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.
Featured Crew
Barry Shipman
Screenplay
Lewis D. Collins
Director
Joseph F. Poland
Writer
0
Cast
![Edmund MacDonald](https://image.tmdb.org/t/p/w300//trqvaWYKAer2wlpOqJPXZlsMqpA.jpg)
Edmund MacDonald
Anthony Waldron
![Pamela Blake](https://image.tmdb.org/t/p/w300//daJiet6yNySXEzECRx9moNeMnMz.jpg)
Pamela Blake
Shirley Clinton
![Danny Morton](https://image.tmdb.org/t/p/w300//b7Zc5UoOGmvbjbFhgJ2121CBa8b.jpg)
Danny Morton
Derek Lamont
![Virginia Brissac](https://image.tmdb.org/t/p/w300//plkkPOoTu5qc6i1K9wRJXyoUgq2.jpg)
Virginia Brissac
Cornelia Waldron
![Joseph Crehan](https://image.tmdb.org/t/p/w300//vhTx27RLuFTR0K5DeL1UHeZIvRg.jpg)
Joseph Crehan
Dan Blair