Roy Del Ruth
Director
Harry Gerstad
Editor
Lyle R. Wheeler
Art Direction
Jack Leewood
Producer
John B. Mansbridge
Art Direction
Orville H. Hampton
Screenplay
Joseph Kish
Set Decoration
Charles O'Neal
Story
Walter M. Scott
Set Decoration
Eve Newing
Hairstylist
Karl Struss
Director of Photography
Irving Gertz
Original Music Composer
Orville H. Hampton
Story
Ben Nye
Makeup Artist
Arthur Cornell
Sound Effects
William McCrary
Costume Supervisor
Herbert E. Mendelson
Assistant Director
Herbert E. Mendelson
Production Manager
George Westenhiser
Property Master
Fred Etcheverry
Special Effects
Bob Bryant
Stunts
Ollie Hughes
Costume Supervisor
Mary Coleman
Script Supervisor
W.D. Flick
Sound
Harry Gerstad
Supervising Film Editor
Orven Schanzer
First Assistant Editor
Dick Smith
Makeup Artist
Beverly Garland
Joyce Webster, aka Jane Marvin
Bruce Bennett
Dr. Eric Lorimer
Lon Chaney Jr.
Manon
George Macready
Dr. Mark Sinclair
Frieda Inescort
Mrs. Lavinia Hawthorne
Richard Crane
Paul Webster
Douglas Kennedy
Dr. Wayne McGregor
Bill Bradley
Patient 'Number Six' (uncredited)
Hal K. Dawson
Conductor
Dudley Dickerson
Porter
John Frederick
1st Male Nurse (uncredited)
Ruby Goodwin
Louann
Ken Kane
Third Male Nurse (uncredited)
Boyd Stockman
Alligator-headed Paul
Vince Townsend Jr.
Toby
Lee Warren
2nd Male Nurse (uncredited)
