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Michael Denison as Robert Blair |
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Dulcie Gray as Marion Sharpe |
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Anthony Nicholls as Kevin McDermott |
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Marjorie Fielding as Mrs. Sharpe |
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Athene Seyler as Aunt Lin |
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John Bailey as Detective Inspector Grant |
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Ann Stephens as Betty Kane |
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Hy Hazell as Mrs. Chadwick |
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Kenneth More as Stanley Peters |
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Avice Landone as Mrs. Wynn |
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Maureen Glynne as Rose Glynn |
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Peter Jones as Bernard Chadwick |
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Moultrie Kelsall as Judge |
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Martin Boddey as Inspector Hallam |
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Patrick Troughton as Bill Brough |
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Hugh Moxey as Counsel for Prosecution |
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John Warwick as Carley |
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Ernest Jay as Ramsden |
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Everley Gregg as Mrs. Jarrett |
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Ambrosine Phillpotts as Miss Spence |
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Harold Lang as Bus Inspector |
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John Forrest as Leslie Wynn |
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Jean Anderson as Miss Tuff |
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Lawrence Ray as Waiter |
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Victor Maddern as Mechanic |
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Doris Yorke as Christina |
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Will Ambro as Heseltine |
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Jack McNaughton as Jury Foreman (Uncredited) |
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Richard Neller as Police Sergeant (Uncredited) |
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John Warren as Charlie (Uncredited) |
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Charles Saynor as Police Officer in Courtroom (Uncredited) |
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John Wilder as Police Officer in Courtroom (Uncredited) |
| Directing | Lawrence Huntington | Director |
| Writing | Robert Hall | Writer |
| Writing | Lawrence Huntington | Writer |
| Writing | Josephine Tey | Novel |
| Production | Robert Hall | Producer |
| Editing | Clifford Boote | Editor |
| Camera | Günther Krampf | Director of Photography |
| Sound | Philip Green | Original Music Composer |
| Art | Wilfred Eades | Production Design |
| Art | Terence Verity | Art Direction |
| Costume & Make-Up | John O'Gorman | Makeup Artist |
| Costume & Make-Up | Polly Richards | Hairstylist |
| Directing | Gordon Scott | Assistant Director |
| Crew | Bill Beavis | Scenic Artist |
| Sound | Harold V. King | Recording Supervision |
| Sound | F. McNally | Sound Recordist |
| Camera | Arthur Graham | Camera Operator |
| Sound | Louis Levy | Music Director |
| Directing | June Faithfull | Continuity |