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