Doctor X
A wisecracking New York reporter intrudes on a research scientist's quest to unmask The Moon Killer.
Lionel Atwill
Dr. Jerry Xavier
Fay Wray
Joanne Xavier
Lee Tracy
Lee Taylor
Preston Foster
Dr. Wells
John Wray
Dr. Haines
Harry Beresford
Dr. Duke
Arthur Edmund Carewe
Dr. Rowitz
Leila Bennett
Mamie
Robert Warwick
Commissioner Stevens
George Rosener
Otto, Dr. Xavier's Butler
Willard Robertson
Detective O'Halloran
Thomas E. Jackson
Daily World Editor
Harry Holman
Mike, Waterfront Policeman
Mae Busch
Cathouse Madame
Tom Dugan
Sheriff
Raoul Freeman
Morgue Detective (Uncredited)
Selmer Jackson
Willard Keefe, Daily World Night Editor (Uncredited)
Charles McMurphy
Detective at Headquarters (Uncredited)
Ky Robinson
Morgue Detective (Uncredited)
Louise Beavers
Louise (Uncredited)
Michael Curtiz
Director
Robert Tasker
Screenplay
Earl Baldwin
Screenplay
George Rosener
Screenplay
Hal B. Wallis
Executive Producer
Darryl F. Zanuck
Executive Producer
Ray Rennahan
Director of Photography
Anton Grot
Art Direction
Ruth Pursley
Hairstylist
Ray Romero
Makeup Artist
George Amy
Editor
Perc Westmore
Makeup Artist
Bernhard Kaun
Original Music Composer
Richard Towers
Director of Photography
William Forsyth
Casting Assistant
Allen C. Miller
Theatre Play
Howard Warren Comstock
Theatre Play
Rufus Le Maire
Casting
Al Alleborn
Assistant Director
Marshall Hageman
Assistant Director
Herbert Plews
Props
Robert B. Lee
Sound Recordist
Fred Jackman Jr.
Special Effects
Thad Brooks Jr.
Assistant Camera
Owen Crompton
Grip
Ellsworth Fredericks
Camera Operator
W. Howard Greene
Camera Operator
Carl E. Guthrie
Camera Operator
Ernest Haller
Camera Operator
Floyd Lee
Assistant Camera
Scotty Welbourne
Still Photographer
William Williams
Camera Operator
William Maybery
Casting Assistant
Leo F. Forbstein
Conductor
Natalie Kalmus
Color Designer