Where to Watch The Mysterious Mr. M (1946) Online

Want to behold the glory that is 'The Mysterious Mr. M' on your TV or mobile device at home? Searching for a streaming service to buy, rent, download, or watch the Vernon Keays-directed movie via subscription can be challenging, so we here at Moviefone want to do right by you.

Below, you'll find a number of top-tier streaming and cable services - including rental, purchase, and subscription options - along with the availability of 'The Mysterious Mr. M' on each platform when they are available. Now, before we get into all the details of how you can watch 'The Mysterious Mr. M' right now, here are some details about the Universal Pictures action flick.

Released July 23rd, 1946, 'The Mysterious Mr. M' stars Edmund MacDonald, Pamela Blake, Danny Morton, Virginia Brissac The NR movie has a runtime of about 3 hr 47 min, and received a user score of 38 (out of 100) on TMDb, which collated reviews from 2 top users.

You probably already know what the movie's about, but just in case... Here's the plot: "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." .