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John Gregson as Richard Hammond |
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Mai Zetterling as Christiane Hammond |
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John Ireland as Max Hammond |
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Michael Denison as David Merton |
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Tony Wright as Clem |
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Nanette Newman as Janet |
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Valerie Taylor as Miss Hopkins |
| Directing | David Eady | Director |
| Writing | Thomas Narcejac | Novel |
| Writing | Pierre Boileau | Novel |
| Writing | John Tully | Screenplay |
| Writing | Ephraim Kogan | Screenplay |
| Camera | Desmond Davis | Camera Operator |
| Camera | Ken Goodman | Focus Puller |
