![](https://cdn.statically.io/img/images.plex.tv/photo?size=large-1920&scale=1&url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Foriginal%2Fc7ENJPMphcbNWHz1LLuEHMscJcH.jpg)
![](https://cdn.statically.io/img/images.plex.tv/photo?size=large-1920&scale=1&url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Foriginal%2Fa620dqtrkiP7qvNpM3tKj9BheiO.jpg)
The Mysterious Mr. M
Directed by Vernon Keays and Lewis D. CollinsAn 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.
Where to Watch The Mysterious Mr. M
Cast of The Mysterious Mr. M