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Arlene Dahl as Kathleen 'Kathy' Allen, nee Alanborg |
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Philip Carey as Tim O'Bannion |
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Herbert Marshall as Stephen Collins |
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Michael Goodliffe as Larry Buckham |
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David Kossoff as Sam Lewis |
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Marvin Kane as Mike Lewis |
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Sidney James as Frank Allenborg |
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Gil Winfield as Chuck (as Gilbert Winfield) |
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Patrick Allen as Willie |
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Ralph Truman as John Dowling |
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Faith Brook as Virginia Collins |
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Frederick Valk as Mr. Reisner |
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John Salew as Mr. Page, Chief Accountant |
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Gil Winfield as Chuck |
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Totti Truman Taylor as Miss Russell |
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Larry Cross as T.V. Announcer |
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Paul Sheridan as Hotel Receptionist |
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Tom Gill as Business Man on Plane |
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Frank Atkinson as Hotel Porter |
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Alastair Hunter as Connor |
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Jacques Brunius as Inspector Caron |
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Anthony Sharp as Guest pushing past chair |
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Guy De Monceau as Dowling's Chauffeur |
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Raf De La Torre as Dowling's Butler |
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Selma Vaz Dias as Wedding Dress Fitter |
| Sound | Malcolm Arnold | Original Music Composer |
| Writing | Ken Hughes | Writer |
| Writing | Bill S. Ballinger | Novel |
| Camera | Basil Emmott | Director of Photography |
| Directing | Ken Hughes | Director |
| Costume & Make-Up | Evelyn Gibbs | Wardrobe Master |
| Camera | Gerry Turpin | Camera Operator |
| Writing | Sigmund Miller | Screenstory |
| Costume & Make-Up | Cynthia Tingey | Costume Designer |
| Production | Maxwell Setton | Producer |
| Sound | Muir Mathieson | Conductor |
| Directing | Philip Shipway | Assistant Director |
| Directing | Beryl Booth | Continuity |
| Sound | Len Shilton | Sound Recordist |
| Writing | Robert Westerby | Screenstory |
| Art | Terence Morgan II | Set Dresser |
| Costume & Make-Up | Betty Sherriff | Hairdresser |
| Production | Fred Gunn | Production Manager |
| Costume & Make-Up | Paul Rabiger | Makeup Artist |
| Art | Donald M. Ashton | Art Direction |
| Editing | Max Benedict | Editor |
| Sound | Fred Ryan | Sound Recordist |
