On a stormy night, the mute servant to an ailing matriarch is stalked by a serial killer.
You can now watch The Spiral Staircase online on the following streaming providers in the United States.
| Directing | Robert Siodmak | Director |
| Writing | Ethel Lina White | Novel |
| Art | Jack Okey | Art Direction |
| Writing | Mel Dinelli | Screenplay |
| Editing | Harry Gerstad | Editor |
| Production | Dore Schary | Producer |
| Editing | Harry Marker | Editor |
| Art | Albert S. D'Agostino | Art Direction |
| Sound | Roy Webb | Original Music Composer |
| Camera | Nicholas Musuraca | Director of Photography |
| Production | Fred Fleck | Production Manager |
| Costume & Make-Up | Edward Stevenson | Costume Design |
| Art | Darrell Silvera | Set Decoration |
| Directing | Harry Scott | Assistant Director |
| Sound | John L. Cass | Sound |
| Sound | Terry Kellum | Sound |
| Crew | Vernon L. Walker | Special Effects |
| Visual Effects | Chris Crowell | Digital Compositor |
| Crew | Gordon Carveth | Stunts |
| Sound | C. Bakaleinikoff | Music Director |
| Sound | Samuel Hoffman | Musician |
| Production | Edgar Peterson | Production Assistant |
