The Mysterious Mr. M

1946· 227 min★ 6.5· Action, Mystery

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.

Cast: Edmund MacDonald, Pamela Blake, Danny Morton

Director: Vernon Keays, Lewis D. Collins