Fearing her husband could become a killer, a woman seeks a psychiatrist's help.
| Directing | Anthony Kimmins | Director |
| Writing | Nigel Balchin | Novel |
| Writing | Nigel Balchin | Screenplay |
| Production | Anthony Kimmins | Producer |
| Production | Jack Kitchin | Producer |
| Sound | Benjamin Frankel | Original Music Composer |
| Camera | Wilkie Cooper | Director of Photography |
| Editing | Richard Best | Editor |
| Art | William C. Andrews | Art Direction |
| Art | Anne Head | Set Decoration |
| Costume & Make-Up | Alan Haines | Costume Design |
| Camera | Freddie Francis | Camera Operator |
| Visual Effects | Cliff Richardson | Special Effects Supervisor |
| Crew | Alan Allen | Sound Recordist |
| Costume & Make-Up | Eileen Bates | Hairstylist |
| Costume & Make-Up | John O'Gorman | Makeup Artist |
