Movie trailer for the 1946 classic psychological drama The Spiral Staircase starring Dorothy McGuire, George Brent, and Ethel Barrymore. The film tells the story of a beautiful young girl who is mute named Helen who works as a live-in companion for the wealthy and bedridden Mrs. Warren. A rash of murders targeting the handicapped occurs and soon it becomes obvious that Helen’s safety is in question. This film was directed by Robert Siodmak and is based on Ethel Lina White’s novel Some Must Watch (1933).


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