Discover
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)
Camera
Nicholas Musuraca
Director of Photography
Costume & Make-Up
Edward Stevenson
Costume Design
Editing
Harry Marker
Editor
Harry Gerstad
Editor
Sound
Roy Webb
Original Music Composer
C. Bakaleinikoff
Music Director
John L. Cass
Sound
Samuel Hoffman
Musician
Terry Kellum
Sound
Camera
Nicholas Musuraca
Director of Photography
Costume & Make-Up
Edward Stevenson
Costume Design
Editing
Harry Marker
Editor
Harry Gerstad
Editor
Sound
Roy Webb
Original Music Composer
C. Bakaleinikoff
Music Director
John L. Cass
Sound
Samuel Hoffman
Musician
Terry Kellum
Sound