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Roger Livesey as Paul Bultitude |
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Anthony Newley as Dick Bultitude |
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Kay Walsh as Florence 'Fanny' Verlane |
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Petula Clark as Dulcie Grimstone |
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James Robertson Justice as Dr. Grimstone |
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David Hutcheson as Marmaduke Paradine |
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Harcourt Williams as Judge |
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Bill Shine as Lord Gosport |
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Kynaston Reeves as Dr. Chawner |
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Ernest Jay as Bowler |
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Joan Young as Mrs. Grimstone |
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Patricia Raine as Alice |
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Vida Hope as 1st Nanny |
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Vi Kaley as 2nd Nanny |
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Andrew Blackett as Duke of Margate |
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Stanley Van Beers as Earl of Broadstairs |
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Robert Eddison as Mr. Blinkhorn |
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James Hayter as Bandmaster |
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Alfie Bass as 1st Urchin |
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Hugh Dempster as Col. Ambrose |
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Peter Jones as Chawner |
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James Kenney as Coggs |
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Michael McKeag as Jolland |
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Timothy Bateson as Coker |
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John Glyn-Jones as Bindabun Doss |
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Frank Tickle as Clegg |
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Donald Barclay as |
| Editing | John D. Guthridge | Editor |
| Crew | Henry Harris | Special Effects |
| Sound | L.E. Overton | Sound Recordist |
| Production | Peter Ustinov | Producer |
| Sound | Reg Barnes Heath | Sound Recordist |
| Production | George H. Brown | Producer |
| Production | Paul Sheriff | Associate Producer |
| Costume & Make-Up | Geoffrey Rodway | Makeup Artist |
| Costume & Make-Up | Vivienne Walker | Hair Designer |
| Sound | Harry Miller | Sound Editor |
| Directing | Michael Anderson | Assistant Director |
| Costume & Make-Up | Nadia Benois | Costume Design |
| Art | Colleen Browning | Set Decoration |
| Art | Carmen Dillon | Art Direction |
| Camera | Arthur Ibbetson | Camera Operator |
| Directing | Peter Ustinov | Director |
| Sound | Antony Hopkins | Music |
| Writing | F. Anstey | Novel |
| Writing | Peter Ustinov | Writer |
| Camera | Jack Hildyard | Director of Photography |
