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Gregory Peck as Henry Adams |
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Ronald Squire as Oliver Montpelier |
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Joyce Grenfell as Duchess of Cromarty |
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A.E. Matthews as Duke of Frognal |
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Maurice Denham as Jonathan Reid |
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Reginald Beckwith as Rock |
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Brian Oulton as Lloyd |
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John Slater as Parsons |
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Hartley Power as Lloyd Hastings |
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George Devine as Chop House Proprietor |
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Bryan Forbes as Todd |
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Gudrun Ure as Renie |
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Hugh Wakefield as Duke of Cromarty |
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Wilfrid Hyde-White as Roderick Montpelier |
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Jane Griffiths as Portia Lansdowne |
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Ronald Adam as Samuel Clements |
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Hugh Griffith as Potter |
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Christopher Hewett as Irate Investor |
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Ernest Thesiger as Mr. Garrett, Bank Director |
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Larry Dann as Boy |
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Andrew Faulds as Chief Assistant at Tailor Shop |
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Willoughby Goddard as Stockbroker |
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Harold Goodwin as Horace |
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May Hallatt as Hysterical Woman at Bumbles Hotel |
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Joan Hickson as Maggie |
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Hugh Latimer as Bumbles Hotel Receptionist |
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Eliot Makeham as Consulate Official |
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Percy Marmont as Lord Hurlingham |
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Gibb McLaughlin as Sir William Collinge |
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Laurence Naismith as Walter Craddock |
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Hal Osmond as Arthur |
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Mona Washbourne as Mum with Pram |
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Ian Wilson as Photographer |
| Directing | Ronald Neame | Director |
| Costume & Make-Up | George Blackler | Makeup Artist |
| Art | Dario Simoni | Set Dresser |
| Writing | Jill Craigie | Screenplay |
| Costume & Make-Up | Margaret Furse | Costume Designer |
| Directing | Robert Asher | Assistant Director |
| Camera | Joan Bridge | Other |
| Sound | Muir Mathieson | Conductor |
| Production | E.M. Smedley-Aston | Associate Producer |
| Costume & Make-Up | Biddy Chrystal | Hairdresser |
| Editing | Clive Donner | Editor |
| Camera | Geoffrey Unsworth | Director of Photography |
| Sound | Dudley Messenger | Sound Recordist |
| Camera | James Bawden | Camera Operator |
| Production | John Bryan | Producer |
| Sound | Gordon K. McCallum | Sound Recordist |
| Sound | William Alwyn | Original Music Composer |
| Crew | Arthur Alcott | Production Controller |
| Art | John Box | Art Direction |
| Sound | Winston Ryder | Sound Editor |
| Writing | Mark Twain | Story |
| Art | Jack Maxsted | Art Direction |
| Production | Earl St. John | Executive Producer |
