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Peter Finch as Alec Windom |
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Mary Ure as Lee Windom |
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Natasha Parry as Anna Vidal |
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Robert Flemyng as Col. George Hasbrook |
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Michael Hordern as Patterson |
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Grégoire Aslan as Mayor Lollivar (as Gregoire Aslan) |
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John Cairney as Jan Vidal |
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Marne Maitland as Commissioner Belhedron |
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George Margo as Police Officer Lansang |
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Kurt Christian as Kosti (as Kurt Siegenberg) |
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Burt Kwouk as Father Amyan's Aide (uncredited) |
| Writing | James Ramsey Ullman | Novel |
| Writing | Jill Craigie | Screenplay |
| Sound | James Bernard | Music |
| Directing | Ronald Neame | Director |
| Production | John Bryan | Producer |
| Art | Michael Stringer | Production Design |
| Camera | Christopher Challis | Director of Photography |
| Costume & Make-Up | Margaret Furse | Costume Design |
| Editing | Reginald Mills | Editor |
