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Nigel Davenport as Dino Steffano |
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Yvonne Romain as Lisa |
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Geoffrey Keen as Robert Lindley |
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William Russell as Mike Cochran |
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Jennifer Daniel as Beth |
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Paul Williamson as Tony Shaw |
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John Horsley as Supt. Gilchrist |
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Marianne Stone as Kate |
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Lucy Griffiths as Agatha |
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Gerald Andersen as Lloyd |
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Richard Bird as Fox |
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Jacquie Wallis as Janet |
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Peter Fontaine as Ship's Officer |
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James Chase as Delivery Boy |
| Directing | Gordon Hales | Director |
| Production | Jack Greenwood | Producer |
| Production | Ronnie Curtis | Casting Director |
| Writing | John Roddick | Screenplay |
| Writing | Edgar Wallace | Original Story |
| Sound | Bernard Ebbinghouse | Original Music Composer |
| Camera | Bert Mason | Director of Photography |
| Editing | Gordon Hales | Editor |
| Art | Peter Mullins | Art Direction |
| Costume & Make-Up | Bill Griffiths | Hairdresser |
| Costume & Make-Up | Michael Morris | Makeup Artist |
| Production | Ron Fry | Production Manager |
| Directing | Ted Lewis | Assistant Director |
| Sound | Brian Blamey | Sound Editor |
| Sound | Sidney Rider | Sound Recordist |
| Camera | Noel Rowland | Camera Operator |
