Novelist and amateur sleuth, Paul Temple, meets a newspaper woman called "Steve." Together they investigate a gang of diamond robbers.
| Directing | John Argyle | Director |
| Writing | Francis Durbridge | Screenplay |
| Writing | John Argyle | Screenplay |
| Production | John Argyle | Producer |
| Sound | Sidney Torch | Music |
| Editing | Ted Richards | Editor |
| Production | Laurie Lawrence | Producer's Assistant |
| Camera | Geoffrey Faithfull | Director of Photography |