On a stormy night, the mute servant to an ailing matriarch is stalked by a serial killer.
Dorothy McGuire
as Helen
George Brent
as Professor Warren
Ethel Barrymore
as Mrs. Warren
Kent Smith
as Dr. Parry
Rhonda Fleming
as Blanche
Gordon Oliver
as Steve Warren
Elsa Lanchester
as Mrs. Oates
Sara Allgood
as Nurse Barker
Rhys Williams
as Mr. Oates
James Bell
as Constable
Erville Alderson
as Dr. Harvey (uncredited)
Ellen Corby
as Neighbour (uncredited)
