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Greta Gynt as Wenda Panniford |
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John McCallum as Capt. Garry Anson |
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Raymond Lovell as Lord Willie Panniford |
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Sonia Holm as Lady Mollie Panniford |
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Leslie Dwyer as Sam Hillcott |
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Charles Victor as John Dory |
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Felix Aylmer as Lord Forlingham |
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Sydney King as Tony |
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Noel Howlett as Lawyer |
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Barry Jones as Sir John Garth |
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Claude Bailey as Lord Inspond |
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Desmond Roberts as Rainby |
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Diana Dors as Hawkins |
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Cyril Chamberlain as Customs Official |
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O.B. Clarence as Old Gentleman at Epsom |
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M.E. Clifton James as Car Driver at Petrol Station (uncredited) |
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Constance Smith as Airport Attendant (uncredited) |
| Writing | Edgar Wallace | Novel |
| Writing | Geoffrey Kerr | Screenplay |
| Production | Douglas Peirce | Associate Producer |
| Production | Antony Darnborough | Producer |
| Sound | Arthur Wilkinson | Music |
| Camera | Cyril J. Knowles | Director of Photography |
| Camera | Reginald H. Wyer | Director of Photography |
| Editing | Jean Barker | Editor |
| Art | John Elphick | Art Direction |
| Art | George Provis | Supervising Art Director |
| Costume & Make-Up | Julie Harris | Costume Design |
| Costume & Make-Up | W.T. Partleton | Makeup Artist |
| Sound | B. C. Sewell | Sound Director |
| Sound | Claude Hitchcock | Boom Operator |
| Sound | Al Rhind | Sound Recordist |
| Sound | Bill Salter | Sound Recordist |
| Directing | Arthur Crabtree | Director |
| Sound | Muir Mathieson | Conductor |
| Crew | Arthur Alcott | Production Controller |
| Editing | Charles Knott | Supervising Editor |
| Camera | Len Harris | Camera Operator |
| Directing | Basil Keys | Assistant Director |
