The working class twin sister of a callous wealthy woman impulsively murders her out of revenge and assumes the identity of the dead woman. But impersonating her dead twin is more complicated and risky than she anticipated.
| Directing | Paul Henreid | Director |
| Art | Perry Ferguson | Art Direction |
| Art | William Stevens | Set Decoration |
| Writing | Oscar Millard | Screenplay |
| Editing | Folmar Blangsted | Editor |
| Writing | Rian James | Story |
| Costume & Make-Up | Gene Hibbs | Makeup Artist |
| Sound | Robert B. Lee | Sound |
| Costume & Make-Up | Gordon Bau | Makeup Supervisor |
| Sound | André Previn | Music |
| Camera | Ernest Haller | Director of Photography |
| Writing | Albert Beich | Screenplay |
| Costume & Make-Up | Florence Guernsey | Hairstylist |
| Production | William H. Wright | Producer |
| Costume & Make-Up | Jean Burt Reilly | Hair Supervisor |
| Crew | Bert Steinberger | Dialogue Coach |
| Sound | Sam Freed Jr. | Musician |
| Crew | Connie Cezon | Stand In |
| Costume & Make-Up | Donfeld | Costume Design |
| Directing | Chuck Hansen | Assistant Director |
