The Mysterious Mr. M
1946, English. Directed by Vernon Keays & Lewis D. Collins.
1000 startling adventures! 1000 weird sensations!
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.
- Runtime
- 3h 47m
- Post-credits
- None listed
- Language
- English
- Rated
- NR
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Where to watch The Mysterious Mr. M
The Mysterious Mr. M isn’t streaming on any OTT platform in India yet; it released on 23 July 1946.
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Cast & crew
- Vernon KeaysDirector
- Lewis D. CollinsDirector
- Edmund MacDonaldAnthony Waldron
- Pamela BlakeShirley Clinton
- Danny MortonDerek Lamont
- Virginia BrissacCornelia Waldron
- Joseph CrehanDan Blair
- Jack IngramWilliam Shrag
- Dennis MooreAgent Grant Farrell
- Richard MartinDetective Lt. Kirby Walsh
- Byron FoulgerWetherby
- Jane RandolphMarina Lamont
- William ChingJim Farrell
- Joe HaworthDonninger
Details
- Released
- 23 July 1946
- Country
- United States of America
- Written by
- Joseph F. Poland, Barry Shipman, Paul Huston
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News & fan talk
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The Mysterious Mr. M: quick answers
Is The Mysterious Mr. M worth watching?
The Mysterious Mr. M doesn’t have enough ratings for a verdict yet.
How long is The Mysterious Mr. M?
The Mysterious Mr. M runs 227 minutes (3h 47m).
Does The Mysterious Mr. M have a post-credits scene?
None is listed for The Mysterious Mr. M. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
The Mysterious Mr. M parents guide: is it suitable for kids?
The Mysterious Mr. M is rated NR in India. Check the rating guidance before watching with young children.
Which OTT platform is The Mysterious Mr. M on?
The Mysterious Mr. M isn’t streaming on any OTT platform in India yet; it released on 23 July 1946. (Checked 11 November 2026.)
What movies are like The Mysterious Mr. M?
If you liked The Mysterious Mr. M, try Our Man Flint, Sleep, My Love, Supercross.
Who directed The Mysterious Mr. M?
The Mysterious Mr. M (1946) was directed by Vernon Keays and Lewis D. Collins and stars Edmund MacDonald, Pamela Blake, Danny Morton.