After a whirlwind romance in Mexico, a beautiful heiress marries a man she barely knows with hardly a second thought. She finds his New York home full of his strange relations, and macabre rooms that are replicas of famous murder sites. One locked room contains the secret to her husband's obsession, and the truth about what happened to his first wife.
| Directing | Fritz Lang | Director |
| Writing | Silvia Richards | Screenplay |
| Production | Fritz Lang | Producer |
| Production | Walter Wanger | Executive Producer |
| Camera | Stanley Cortez | Director of Photography |
| Sound | Miklós Rózsa | Original Music Composer |
| Editing | Arthur Hilton | Editor |
| Art | Max Parker | Production Design |
| Art | John P. Austin | Set Decoration |
| Costume & Make-Up | Travis Banton | Costume Design |
| Art | Russell A. Gausman | Set Decoration |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Writing | Rufus King | Story |
| Costume & Make-Up | Carmen Dirigo | Hairstylist |
| Directing | William Holland | Assistant Director |
| Sound | Glenn E. Anderson | Sound |
| Sound | Leslie I. Carey | Sound |
| Visual Effects | Robert Cormack | Animation |
| Sound | Eugene Zador | Orchestrator |
| Crew | Walter Wanger | Presenter |
