83 mins | Drama, Thriller, Horror, Mystery | Feb. 6, 1946
83 mins | Drama, Thriller, Horror, Mystery | Feb. 6, 1946
| IMDb rating | 7.3 |
| Producers | RKO Radio Pictures, Vanguard Films, Dore Schary Productions |
| Original title | The Spiral Staircase |
| Directors | Harry Scott, Robert Siodmak |
| Writers | Mel Dinelli, Ethel Lina White |
as Helen
as Professor Warren
as Mrs. Warren
as Dr. Parry
as Blanche
as Steve Warren
as Mrs. Oates
as Nurse Barker
as Mr. Oates
as Constable
as Dr. Harvey (uncredited)
as Neighbour (uncredited)
as Murder Victim (uncredited)
as The Killer's 'Shadow' (uncredited)
as Starry-eyed Man (uncredited)
as The Killer's 'Eye' (uncredited)
as Freddy (uncredited)
as Desk Clerk (uncredited)
as Minister (uncredited)