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Trevor Howard as Harry Scobie |
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Elizabeth Allan as Louise Scobie |
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Denholm Elliott as Wilson |
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Peter Finch as Father Rank |
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Maria Schell as Helen Rolt |
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Gérard Oury as Yusef |
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George Coulouris as Portuguese Captain |
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Michael Hordern as Commissioner |
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Jane Henderson as Miss Malcot (uncredited) |
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Earl Cameron as Ali |
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Judith Furse as Dr Sykes |
| Directing | George More O'Ferrall | Director |
| Costume & Make-Up | Joyce Wood | Hairdresser |
| Directing | Adrian Pryce-Jones | Assistant Director |
| Art | Joseph Bato | Art Direction |
| Camera | Peter Newbrook | Camera Operator |
| Costume & Make-Up | Tony Sforzini | Makeup Artist |
| Editing | Sidney Stone | Editor |
| Camera | Jack Hildyard | Director of Photography |
| Production | John Palmer | Production Manager |
| Sound | Bert Ross | Sound Recordist |
| Costume & Make-Up | Julia Squire | Costume Design |
| Sound | Red Law | Sound Recordist |
| Directing | Betty Forster | Continuity |
| Sound | John Cox | Sound Supervisor |
| Writing | Graham Greene | Novel |
| Crew | Ian Dalrymple | Script |
| Writing | Lesley Storm | Adaptation |
| Production | Ian Dalrymple | Producer |
