Elsa Lanchester
Mrs. Oates
Robert Siodmak
The Killer's 'Eye' (uncredited)
Ellen Corby
Neighbour (uncredited)
Sara Allgood
Nurse Barker
Rhonda Fleming
Blanche
George Brent
Professor Warren
Dorothy McGuire
Helen
Charles Wagenheim
Desk Clerk (uncredited)
Gordon Oliver
Steve Warren
Kent Smith
Dr. Parry
Rhys Williams
Mr. Oates
James Bell
Constable
Myrna Dell
Murder Victim (uncredited)
Ethel Barrymore
Mrs. Warren
Stanley Price
Starry-eyed Man (uncredited)
George Holmes
The Killer's 'Shadow' (uncredited)
Erville Alderson
Dr. Harvey (uncredited)
Larry Wheat
Minister (uncredited)