The Spiral Staircase
- Mwaka: 1975
- Nchi: United Kingdom
- Aina: Horror, Mystery, Thriller
- Studio: Raven Films
- Neno kuu: murder
- Mkurugenzi: Peter Collinson
- Tuma: Jacqueline Bisset, Christopher Plummer, John Phillip Law, Sam Wanamaker, Mildred Dunnock, Gayle Hunnicutt