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Eric Sykes as Mr. Groomkirby |
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Julia Foster as Sylvia |
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Peggy Mount as Mrs. Gantry |
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Mona Washbourne as Aunt Mildred |
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George Cole as Defence Counsel |
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Jonathan Miller as Kirby |
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Alison Leggatt as Mrs. Groomkirby |
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Douglas Wilmer as Judge |
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Glyn Houston as Detective Inspector Barnes |
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Graham Crowden as Prosecuting Counsel |
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Kenneth Farrington as Stan |
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Walter Horsbrugh as Clerk of the Court |
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Frederick Piper as Usher |
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Vincent Harding as Policeman / Bus Conductor |
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Tommy Bruce as Gormless (voice) |
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Trevor Bannister as Groomkirby's Co-Worker |
| Costume & Make-Up | Tom Smith | Makeup Artist |
| Production | Michael Deeley | Producer |
| Editing | Peter Taylor | Editor |
| Sound | Graham Harris | Sound Editor |
| Production | Michael Holden | Associate Producer |
| Directing | Claude Watson | Assistant Director |
| Sound | Richard Rodney Bennett | Original Music Composer |
| Directing | Jane Buck | Continuity |
| Art | Reece Pemberton | Production Design |
| Costume & Make-Up | Betty Sherriff | Hairdresser |
| Production | Oscar Lewenstein | Executive Producer |
| Sound | Marcus Dods | Conductor |
| Camera | Austin Dempster | Camera Operator |
| Production | Leigh Aman | Associate Producer |
| Directing | Peter Yates | Director |
| Writing | N.F. Simpson | Writer |
| Sound | Stephen Dalby | Sound Director |
| Sound | Robin Gregory | Sound Recordist |
| Camera | Denys N. Coop | Director of Photography |
| Costume & Make-Up | Barbara Gillett | Wardrobe Master |
| Camera | Wally Fairweather | Focus Puller |
