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)
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