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Derrick De Marney as Slim Callaghan |
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Harriette Johns as Cynthia Meraulton |
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Adrienne Corri as Mayolo |
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Robert Adair as August Meraulton |
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Delphi Lawrence as Effie Perkins |
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Michael Balfour as Coffee Stallkeeper |
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Larry Burns as Darky |
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Michael Partridge as Jengel |
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Howard Douglas as Tweest |
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Trevor Reid as Inspector Gringall |
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Frank Sieman as Sergeant Fields |
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John Ainsworth as P.C. Masters |
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Brenda Gay as Secretary of William Meraulton |
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Peter Neil as William Meraulton |
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John Miller as Manservant |
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Roger Williams as Bellamy Meraulton |
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Belinda Lee as Jenny Appleby |
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Robert Moore as Nightclub Manager |
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Alex Gallier as Compere (as Alex De Gallier) |
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John Longden as Jeremy Meraulton |
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Frank Henderson as Paul Meraulton |
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Doug Robinson as Man (uncredited) |
| Directing | Charles Saunders | Director |
| Writing | Peter Cheyney | Novel |
| Writing | Gerald Verner | Theatre Play |
| Writing | Brock Williams | Screenplay |
| Production | Guido Coen | Producer |
| Production | Derrick De Marney | Producer |
| Production | W.A. Smith | Executive Producer |
| Sound | Eric Spear | Music |
| Crew | Harry Waxman | Lighting Camera |
| Editing | Jack Slade | Editor |
| Art | John Elphick | Art Direction |
| Costume & Make-Up | Michael Morris | Makeup Artist |
| Costume & Make-Up | Marjorie Whittle | Hairdresser |
| Production | Fred A. Swan | Production Supervisor |
| Directing | Gerry O'Hara | Assistant Director |
| Directing | John Comfort | Third Assistant Director |
| Sound | W. H. Lindop | Sound |
| Sound | Vorke Scarlett | Sound |
| Sound | Peter T. Davies | Sound Re-Recording Assistant |
| Camera | Robert Walker | Camera Operator |
| Costume & Make-Up | June Kirby | Wardrobe Assistant |
| Sound | Eric Spear | Conductor |
| Directing | Joanna Busby | Continuity |
| Crew | Frank Drury | Technical Advisor |
| Sound | Fred Ryan | Sound |
