The Spiral Staircase
- Tausaga: 1975
- Atunuʻu: United Kingdom
- Ituaiga: Horror, Mystery, Thriller
- Potu potu: Raven Films
- Upu autu: murder
- Faʻatonu: Peter Collinson
- Faʻafiafia: Jacqueline Bisset, Christopher Plummer, John Phillip Law, Sam Wanamaker, Mildred Dunnock, Gayle Hunnicutt