Michael Curtiz, Lionel Atwill, Fay Wray, Preston Foster, Earl Baldwin, Lee Tracy, Robert Tasker, Howard Warren Comstock, Allen C. Miller, George Rosener

Doctor X is a movie starring Lionel Atwill, Fay Wray, and Lee Tracy. A wisecracking New York reporter intrudes on a research scientist's quest to unmask The Moon Killer.