Watch The Mysterious Mr. M (1946) Online

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. Read More

Watch The Mysterious Mr. M online. Featuring Edmund MacDonald and Pamela Blake, The Mysterious Mr. M is classified as Action and Mystery genre movie with an average rating across the web of 3.8. It is available for streaming online in the UK The movie was filmed in United States of America and was released on 1946. The Mysterious Mr. M was directed by Vernon Keays,Lewis D. Collins. Read Less