The Spiral Staircase (1975 film)

The Spiral Staircase is a 1975 British horror mystery thriller film directed by Peter Collinson and starring Jacqueline Bisset and Christopher Plummer. It is a remake of the 1946 film of the same name, which was adapted from Ethel Lina White's 1933 British novel Some Must Watch.

Plot
Helen Mallory is a beautiful young woman who has been unable to speak a word since seeing her husband and daughter die in a fire. She visits the home of her elderly, invalid grandmother and meets her uncle, Joe Sherman, a respected psychiatrist. The visit turns into a nightmare as she encounters Joe's brash brother Steven, as well as a pretentious Southern belle named Blanche and other mysterious characters in a house where everyone's life seems to be in grave danger.

Cast

 * Jacqueline Bisset as Helen Mallory
 * Christopher Plummer as Dr. Joe Sherman
 * John Phillip Law as Steven Sherman
 * Sam Wanamaker as Lieutenant Fields
 * Mildred Dunnock as Mrs. Sherman
 * Gayle Hunnicutt as Blanche
 * Elaine Stritch as Nurse Baker
 * John Ronane as Dr. Rawley
 * Sheila Brennan as Mrs. Oates
 * Ronald Radd as Oates
 * Heather Lowe as Heather
 * Christopher Malcolm as Policeman