"Conflicts that freeze your emotions! Suspense that takes your breath!"
On a stormy night, the mute servant to an ailing matriarch is stalked by a serial killer.
Robert SiodmakDirector
Helen
Professor Warren
Mrs. Warren
Dr. Parry
Blanche
Steve Warren
Mrs. Oates
Nurse Barker
Mr. Oates
Constable
Dr. Harvey (uncredited)
Neighbour (uncredited)
Murder Victim (uncredited)
The Killer's 'Shadow' (uncredited)
Starry-eyed Man (uncredited)
The Killer's 'Eye' (uncredited)
Freddy (uncredited)
Desk Clerk (uncredited)
Minister (uncredited)
