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Michael York as Peter Strange |
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Jeremy Kemp as Det. Sgt. Pierce |
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Susan George as Frederika March |
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Jack Watson as Quince |
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Nigel Davenport as |
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George Benson as |
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George A. Cooper as Supt. Kingsley |
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Barry Fantoni as |
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Artro Morris as |
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Richard Pearson as |
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Madge Ryan as |
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George Selway as |
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Robin Tolhurst as Air Hostess |
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George Ghent as Sgt. Perry |
| Production | Howard Harrison | Producer |
| Directing | David Greene | Director |
| Editing | Brian Smedley-Aston | Editor |
| Production | René Dupont | Associate Producer |
| Art | Brian Eatwell | Production Design |
| Camera | Herbert Smith | Camera Operator |
| Camera | Alex Thomson | Director of Photography |
| Directing | Jack Causey | Assistant Director |
| Production | Derek Kavanagh | Production Manager |
| Art | Nicholas Pollock | Art Direction |
| Sound | H.L. Bird | Sound Recordist |
| Crew | Garth Inns | Special Effects |
| Writing | Oscar Saul | Writer |
| Writing | Jerome Odlum | Writer |
| Writing | Eve Greene | Writer |
| Costume & Make-Up | Sue Yelland | Costume Design |
| Costume & Make-Up | George Blackler | Makeup Artist |
| Writing | Stanley Mann | Writer |
| Writing | Bernard Toms | Novel |
| Production | Stanley Mann | Producer |
| Sound | Bill Burgess | Boom Operator |
| Crew | Franz F. Palmer | Cinematography |
| Art | Peta Button | Set Decoration |
