The Spiral Staircase is a 1946 American psychological horror film directed by Robert Siodmak and starring Dorothy McGuire, George Brent, and Ethel Barrymore. Adapted from Ethel Lina White's British novel Some Must Watch (1933) by screenwriter Mel Dinelli, the film follows a mute young woman in an early-20th century Vermont town being terrorized by a serial killer who targets disabled women.
Director
Robert Siodmak
Writers
Mel Dinelli, Ethel Lina White
Stars
Dorothy McGuire, George Brent, Ethel Barrymore