 | Vince Edwards als Charles Hood |
 | Judy Geeson als Sue Trenton |
 | Peter Vaughan als Hammerhead |
 | Diana Dors als Kit |
 | Michael Bates als Andreas / Sir Richard |
 | Beverly Adams als Ivory |
 | Patrick Cargill als Condor |
 | Patrick Holt als Huntzinger |
 | William Mervyn als Walter Perrin |
 | Douglas Wilmer als Pietro Vendriani |
 | Tracy Reed als Miss Hull |
 | Kenneth Cope als Motorcyclist |
 | Kathleen Byron als Lady Calvert |
 | Jack Woolgar als Tookey Tate |
 | David Prowse als George |
 | Veronica Carlson als Ulla |
 | Penny Brahms als Frieda |
| Maggie Wright als Roselle |
| John Briley | Adaptation |
| Irving Allen | Producer |
| William Bast | Screenplay |
| Herbert Baker | Screenplay |
| David Miller | Director |
| Kenneth Talbot | Director of Photography |
| David Whitaker | Original Music Composer |
| Geoffrey Foot | Editor |
| Stephen Coulter | Novel |
| Wilkie Cooper | Director of Photography |
| Pamela Cornell | Set Decoration |
| John Howell | Art Direction |
| L. C. Rudkin | Production Manager |
| Ralph Tobert | Choreographer |
| Gerry Crampton | Stunt Coordinator |
| Cecil Cooney | Camera Operator |
| Ray Parslow | Camera Operator |
| John O'Connor | Assistant Director |
| John Danischewsky | Assistant Director |
| Rita Davison | Continuity |
| Hugh Strain | Sound Recordist |
| Charles Crafford | Sound Editor |
| Alan Brownie | Makeup Artist |
| Anne Box | Hairdresser |
| David Whitaker | Conductor |
| Andrew Donally | Associate Producer |
