The Mysterious Mr. M
“1000 startling adventures! 1000 weird sensations!”
Synopsis
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.
Top Cast
Explore Star Directory →
Edmund MacDonald
Anthony Waldron
Pamela Blake
Shirley Clinton
Danny Morton
Derek Lamont
Virginia Brissac
Cornelia Waldron
Joseph Crehan
Dan Blair
Jack Ingram
William Shrag
Dennis Moore
Agent Grant Farrell
Richard Martin
Detective Lt. Kirby Walsh
Byron Foulger
Wetherby
Jane Randolph
Marina Lamont
William Ching
Jim Farrell
Joe Haworth
Donninger
Patricia Alphin
Ms. Buckley
Release History & Theatrical Window
July 23, 1946
Wide Cinema Exhibition
Key Information & Fast Facts
- Director
- Vernon Keays, Lewis D. Collins
- Screenplay & Story
- Barry Shipman
- Original Title
- The Mysterious Mr. M
- Country of Origin
- United States of America
- Spoken Languages
- English
- Runtime
- 3h 47m
- Production Studios
- Universal Pictures
Creative Leadership & Key Crew
Vernon Keays, Lewis D. Collins
Barry Shipman, Joseph F. Poland, Paul Huston
Department Leadership Roster
Joseph F. Poland
Writer
Vernon Keays
Director
Lewis D. Collins
Director
Barry Shipman
Screenplay
Paul Huston
Writer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
NR: Not Rated — Evaluated outside standard classification boards.
International Certification Matrix
Not Rated — Evaluated outside standard classification boards.
Production Stills & Gallery
Official cinematic photography and background stills for The Mysterious Mr. M.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring The Mysterious Mr. M.
BD Release: Past-1960
Movies released in 4K Blu-ray format - Past-1960
Similar Titles to The Mysterious Mr. M
Movies sharing stylistic DNA, tone, and thematic storytelling
5.8
6.8
6.2
8.0
8.0
7.0
5.4
5.8
5.2
6.0
9.0
4.8
5.4
2.9
7.3Anime
8.5
6.0
8.0
More Like The Mysterious Mr. M
Recommended titles matching themes, cast, and genres.
Frequently Asked Questions About The Mysterious Mr. M
Quick factual answers about cast, synopsis, director, box office, and release information.
What is The Mysterious Mr. M about?
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.
Who directed The Mysterious Mr. M?
The Mysterious Mr. M was directed by Vernon Keays, Lewis D. Collins.
Who stars in The Mysterious Mr. M?
The principal cast of The Mysterious Mr. M includes Edmund MacDonald, Pamela Blake, Danny Morton, Virginia Brissac, Joseph Crehan.
When was The Mysterious Mr. M released and how long is it?
The Mysterious Mr. M was released in 1946 with a total runtime of 3h 47m.
What is the age rating and content advisory for The Mysterious Mr. M?
The Mysterious Mr. M holds official age classifications: US: NR (Not Rated — Evaluated outside standard classification boards.).