The Mysterious Mr. M (1946)

07/23/1946 (US) ActionMystery
  • User

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.

  1. Lewis D. Collins


  2. Vernon Keays


  3. Barry Shipman


  4. Paul Huston


  5. Joseph F. Poland


Top Billed Cast

  1. Edmund MacDonald

    Edmund MacDonald

    Anthony Waldron

  2. Pamela Blake

    Pamela Blake

    Shirley Clinton

  3. Danny Morton

    Derek Lamont

  4. Virginia Brissac

    Virginia Brissac

    Cornelia Waldron

  5. Joseph Crehan

    Joseph Crehan

    Dan Blair

  6. Jack Ingram

    William Shrag

Full Cast & Crew

The Mysterious Mr. M

Status Released

Original Language English

Budget -

Revenue -


Content Score


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