Genius at Work

Lugosi Béla as Stone Marc Cramer as Lt. Rick Campbell Ralph Dunn as Lt. Gilley Wally Brown as Jerry Miles Alan Carney as Mike Strager Anne Jeffreys as Ellen Brent Lionel Atwill as Latimer Marsh / The Cobra

Leslie Goodwins Director Renié Costume Design Vernon L. Walker Special Effects Albert S. D'Agostino Art Direction