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