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Cesar Romero as Luigi |
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Kay Kendall as Barbara Gale |
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Victor Maddern as Danny 'Limpy' Thomas |
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Edward Underdown as Det. Insp. Johnstone |
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Simone Silva as Angele Abbé |
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Liam Gaffney as Constable Fred Roberts |
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Bill Travers as Nigel Langley - Barbara's date |
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Molly Hawley-Clifford as "Starry" Darryl |
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John Penrose as Gerald Gale |
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Robert Cawdron as Det. Sgt. Hadley |
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Henry Purvis as Starry's Brother |
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Paul Hardtmuth as V. H. Mayall |
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Eileen Way as Mrs. Thoms |
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Tony Sympson as Nicky the Burgler |
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Fred Griffiths as Cabbie |
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Jack Howarth as Limpy's Landlord |
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Harry Purvis as Darrell |
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Rose McLaren as Rose |
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Howard Lang as Card Player (uncredited) |
| Camera | Phil Grindrod | Director of Photography |
| Production | Leslie Sinclair | Production Supervisor |
| Directing | Gladys Reeve | Continuity |
| Camera | Tony Young | Camera Operator |
| Art | George Haslam | Art Direction |
| Directing | Richard Vernon | Director |
| Production | Ted Holliday | Production Manager |
| Costume & Make-Up | Betty Sheriff | Hairstylist |
| Directing | Alf Keating | Assistant Director |
| Writing | Laurence Meynell | Novel |
| Costume & Make-Up | Jack Craig | Makeup Artist |
| Production | William H. Williams | Producer |
| Editing | Geoffrey Muller | Editor |
| Sound | Eric Spear | Music |
| Writing | Richard Vernon | Screenplay |
| Sound | Dick Smith | Sound Director |
| Costume & Make-Up | Elsie Curtis | Wardrobe Supervisor |
| Sound | Harry Benson | Sound Recordist |
| Sound | Tommy Reilly | Other |
| Camera | Charles Trigg | Still Photographer |
