Unhappily married Richard Mason concocts a meticulous scheme to kill his shrewish wife so that he'll be free to marry her sister.
| Production | Jack L. Warner | Executive Producer |
| Production | William Jacobs | Producer |
| Directing | Curtis Bernhardt | Director |
| Camera | Merritt B. Gerstad | Director of Photography |
| Writing | Arthur T. Horman | Screenplay |
| Writing | Dwight Taylor | Screenplay |
| Writing | Robert Siodmak | Original Story |
| Writing | Alfred Neumann | Original Story |
| Editing | David Weisbart | Editor |
| Sound | Oliver S. Garretson | Sound |
| Costume & Make-Up | Orry-Kelly | Costume Design |
| Art | Ted Smith | Art Direction |
| Art | Clarence Steensen | Set Decoration |
| Crew | Roy Davidson | Special Effects |
| Crew | Hans F. Koenekamp | Special Effects |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Sound | Friedrich Hollaender | Original Music Composer |
| Sound | Jerome Moross | Music Arranger |
| Sound | Leo F. Forbstein | Music Director |
