 | Peter van Eyck als Paul Decker |
 | Betta St. John als Jean Edwards |
 | Mandy Miller als Candy Brown |
 | William Franklyn als Wilson |
 | Marie Burke als Daily Woman |
 | Irene Prador als French Woman |
 | Henri Vidon als Italian Gardener |
 | Grégoire Aslan als Inspector |
| Guy Green | Director |
| Anthony Dawson | Story |
| Peter Myers | Screenplay |
| Jimmy Sangster | Screenplay |
| Michael Carreras | Producer |
| Francis Chagrin | Original Music Composer |
| Jack Asher | Director of Photography |
| James Needs | Editor |
| Bill Lenny | Editor |
| John Stoll | Art Direction |
| Philip Leakey | Makeup Artist |
| Ken Cameron | Sound Re-Recording Mixer |
| Jock May | Sound Recordist |
| Carlisle Mounteney | Sound |
| Molly Arbuthnot | Costumer |
| Henry Montsash | Hairdresser |
| Don Weeks | Production Manager |
| Tom Walls Jr. | Assistant Director |
| Doreen Dearnaley | Continuity |
| John Hollingsworth | Conductor |
| Renzo Lucidi | Location Manager |
| Len Harris | Camera Operator |
| Anthony Nelson Keys | Associate Producer |
