'Rocks' Owen, the well-off owner of a car-hire business, is found murdered; the last place he was seen alive was the Blue Parrot nightclub. Scotland Yard go in to investigate, with the help of a visiting American detective and a nightclub hostess who may not be all she appears to be.
| Directing | John Harlow | Director |
| Writing | Percy Hoskins | Story |
| Writing | Allan MacKinnon | Writer |
| Camera | Bernard Lewis | Camera Operator |
| Production | Stanley Haynes | Producer |
| Camera | Robert Navarro | Director of Photography |
| Editing | Robert Jordan Hill | Editor |
| Art | George Paterson | Art Direction |
| Writing | Allan MacKinnon | Screenplay |
| Sound | Charles Tasto | Sound Recordist |
| Production | Ben Hipkins | Production Manager |
| Directing | Eric Pavitt | Assistant Director |
| Directing | Doreen Dearnaley | Continuity |
| Editing | Ena Davidson | Assistant Editor |
| Costume & Make-Up | Gene Beck | Makeup Artist |
| Costume & Make-Up | Henry Montsash | Hairdresser |
| Costume & Make-Up | Elsie Curtis | Wardrobe Master |
