 | Dane Clark als Casey Morrow |
 | Belinda Lee als Phyllis Brunner |
 | Betty Ann Davies als Mrs. Alicia Brunner |
 | Eleanor Summerfield als Margaret 'Maggie' Doone |
 | Andrew Osborn als Lance Gordon |
 | Harold Lang als Travis / Victor Vanno |
 | Jill Melford als Miss Nardis |
 | Alvys Maben als Lita Huntley (as Alvis Maben) |
| Michael Golden als Inspector Johnson |
 | Nora Gordon als Casey's Mother |
 | Alfie Bass als Ernie |
| Cleo Laine als Singer (uncredited) |
| Richard H. Landau | Screenplay |
| Helen Nielsen | Novel |
| Terence Fisher | Director |
| Walter J. Harvey | Director of Photography |
| Michael Carreras | Producer |
| Maurice Rootes | Editor |
| Ivor Slaney | Music Director |
| Mickey Delamar | Production Manager |
| Bill Salter | Sound Recordist |
| George Burgess | Sound Recordist |
| Jimmy Sangster | Assistant Director |
| Renée Glynne | Continuity |
| Len Harris | Camera Operator |
| Philip Leakey | Makeup Artist |
| Nina Broe | Hairdresser |
| Molly Arbuthnot | Wardrobe Master |
| J. Elder Wills | Art Direction |
