After a twenty-year stay at an asylum for a double murder, a mother returns to her estranged daughter where suspicions arise about her behavior.
| Directing | William Castle | Director |
| Writing | Robert Bloch | Screenplay |
| Production | William Castle | Producer |
| Camera | Arthur E. Arling | Director of Photography |
| Sound | Van Alexander | Original Music Composer |
| Art | Boris Leven | Production Design |
| Editing | Edwin H. Bryant | Editor |
| Costume & Make-Up | Virginia Jones | Hairstylist |
| Crew | Richard Albain | Special Effects |
| Art | Frank Tuttle | Set Decoration |
| Directing | Herbert S. Greene | Assistant Director |
| Costume & Make-Up | Monty Westmore | Makeup Artist |
| Costume & Make-Up | Peggy Shannon | Hairstylist |
| Costume & Make-Up | Ben Lane | Makeup Designer |
| Costume & Make-Up | Virginia Jones | Hair Designer |
| Sound | Charles J. Rice | Sound Supervisor |
| Sound | Lambert E. Day | Sound |
| Production | Dona Holloway | Associate Producer |
