Discover
David Hedison
Andre Delambre
Patricia Owens
Helene Delambre
Vincent Price
François Delambre
Herbert Marshall
Insp. Charas
Kathleen Freeman
Emma
Betty Lou Gerson
Nurse Andersone
Charles Herbert
Philippe Delambre
Eugene Borden
Dr. Ejoute (uncredited)
George Calliga
Club Member (uncredited)
Harry Carter
Orderly (uncredited)
Bill Clark
Policeman (uncredited)
Arthur Dulac
French Waiter (uncredited)
Bess Flowers
Audience Member (uncredited)
Herschel Graham
Club Member (uncredited)
Torben Meyer
Gaston (uncredited)
Sol Murgi
Audience Member (uncredited)
George Nardelli
Detective (uncredited)
Franz Roehn
Police Doctor (uncredited)
Charles Tannen
Doctor (uncredited)
Art
Theobold Holsopple
Art Direction
Lyle R. Wheeler
Art Direction
Eli Benneche
Set Decoration
Walter M. Scott
Set Decoration
Wayne Fitzgerald
Title Designer
Camera
Karl Struss
Director of Photography
Editing
Merrill G. White
Editor
Orven Schanzer
Assistant Editor
Lighting
Earl Gilbert
Lighting Technician
Sound
Paul Sawtell
Original Music Composer
Don Isaacs
Sound Editor
Eugene Grossman
Sound
Dick Jensen
Sound Editor
Harry M. Leonard
Sound
Bernhard Kaun
Conductor
Art
Theobold Holsopple
Art Direction
Lyle R. Wheeler
Art Direction
Eli Benneche
Set Decoration
Walter M. Scott
Set Decoration
Wayne Fitzgerald
Title Designer
Camera
Karl Struss
Director of Photography
Editing
Merrill G. White
Editor
Orven Schanzer
Assistant Editor
Lighting
Earl Gilbert
Lighting Technician
Sound
Paul Sawtell
Original Music Composer
Don Isaacs
Sound Editor
Eugene Grossman
Sound
Dick Jensen
Sound Editor
Harry M. Leonard
Sound
Bernhard Kaun
Conductor