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Gordon Harker as Inspector Hornleigh |
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Alastair Sim as Sergeant Bingham |
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Miki Hood as Ann Gordon |
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Wally Patch as Sam Holt |
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Steven Geray as Michael Kavanos |
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Edward Underdown as Peter Dench |
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Hugh Williams as Bill Gordon |
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Gibb McLaughlin as Alfred Cooper |
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Ronald Adam as Wittens |
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Eliot Makeham as Alexander Parkinson |
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Cecil Bevan as Auctioneer |
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Charles Carson as Chief Superintendent |
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Peter Gawthorne as Chancellor |
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Vi Kaley as Landlady |
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Arthur Mullard as |
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Charles Paton as Auction Bidder |
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Julian Vedey as Cafe Owner |
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Jack Vyvyan as Sgt Hawkins |
| Writing | Bryan Edgar Wallace | Writer |
| Editing | James B. Clark | Editor |
| Editing | Douglas Robertson | Editor |
| Directing | Eugene Forde | Director |
| Writing | Gerald Elliott | Writer |
| Writing | Richard Llewellyn | Writer |
| Production | Robert Kane | Producer |
| Sound | Bretton Byrd | Music |
| Camera | Derick Williams | Director of Photography |
| Camera | Philip Tannura | Director of Photography |
| Writing | John P. Wynn | Characters |
| Art | John Bryan | Art Direction |
