Cast
Dorothy McGuire
Helen
George Brent
Professor Warren
Ethel Barrymore
Mrs. Warren
Kent Smith
Dr. Parry
Rhonda Fleming
Blanche
Gordon Oliver
Steve Warren
Elsa Lanchester
Mrs. Oates
Sara Allgood
Nurse Barker
Rhys Williams
Mr. Oates
James Bell
Constable
Erville Alderson
Dr. Harvey (uncredited)
Ellen Corby
Neighbour (uncredited)
Myrna Dell
Murder Victim (uncredited)
George Holmes
The Killer's 'Shadow' (uncredited)
Stanley Price
Starry-eyed Man (uncredited)
Robert Siodmak
The Killer's 'Eye' (uncredited)
Richard Tyler
Freddy (uncredited)
Charles Wagenheim
Desk Clerk (uncredited)
Larry Wheat
Minister (uncredited)
Crew
Robert Siodmak
Director
(Directing)
Nicholas Musuraca
Director of Photography
(Camera)
Dore Schary
Producer
(Production)
Ethel Lina White
Novel
(Writing)
Mel Dinelli
Screenplay
(Writing)
Roy Webb
Original Music Composer
(Sound)
Albert S. D'Agostino
Art Direction
(Art)
Harry Marker
Editor
(Editing)
Harry Gerstad
Editor
(Editing)
Jack Okey
Art Direction
(Art)
C. Bakaleinikoff
Music Director
(Sound)
Gordon Carveth
Stunts
(Crew)
Harry Scott
Assistant Director
(Directing)
Vernon L. Walker
Special Effects
(Crew)
Darrell Silvera
Set Decoration
(Art)
John L. Cass
Sound
(Sound)
Samuel Hoffman
Musician
(Sound)
Edgar Peterson
Production Assistant
(Production)
Terry Kellum
Sound
(Sound)
Chris Crowell
Digital Compositor
(Visual Effects)
Fred Fleck
Production Manager
(Production)
Edward Stevenson
Costume Design
(Costume & Make-Up)