The Mysterious Mr. M

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.

• Director: Vernon Keays
• Cast: Edmund MacDonald, Pamela Blake, Danny Morton, Virginia Brissac, Joseph Crehan, Jack Ingram, Dennis Moore, Richard Martin