A convicted female blackmailer is found murdered in her flat and suspicion falls on three men, all of whom the police believe may have had reason to wish her dead
| Directing | John Gilling | Director |
| Production | Robert S. Baker | Producer |
| Production | Monty Berman | Producer |
| Writing | John Gilling | Writer |
| Writing | Gerald Landeau | Writer |
| Sound | Frank Cordell | Music |
| Camera | Monty Berman | Director of Photography |
| Camera | Desmond Davis | Focus Puller |
