Based on the screenplay by Mel Dinelli, this story revolves around Helen Warren, a beautiful mute girl, who becomes the target of a mysterious killer who preys on young handicapped women.
Is The Spiral Staircase on Netflix? Unfortunately the movie The Spiral Staircase is not yet available on Netflix.
| Writing | Mel Dinelli | Writer |
| Directing | Boris Sagal | Director |
| Production | Fred Coe | Producer |
