Movie · 1975
The Spiral Staircase
“There's always another twist to...”
Released 31 January 1975 86 min Horror / Mystery / Thriller More from 1975 → IMDb ↗ · Letterboxd ↗ · TMDB ↗
A mute young woman is stalked by a serial killer at her uncle's mansion.
FR·01
How old were they?
Mildred Dunnock
as Mrs. Sherman
Sam Wanamaker
as Lieut. Fields
Elaine Stritch
as Nurse Baker
Ronald Radd
as Oates
Christopher Plummer
as Dr. Joe Sherman
Sheila Brennan
as Mrs. Oates
John Ronane
as Dr. Rawley
John Phillip Law
as Steven Sherman
Gayle Hunnicutt
as Blanche
Jacqueline Bisset
as Helen Mallory
Christopher Malcolm
as Policeman
Heather Lowe
as Blind Girl
Harry Van Engel
as Police Photographer
Tina Simmons
FR·02
The numbers
51years between the oldest and youngest billed
74Mildred Dunnock — oldest on the call sheet
23Heather Lowe — youngest billed
42average age of the credited cast