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Lilli Palmer as Lygia da Silva |
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James Mason as Captain Blayne |
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Gabriele Ferzetti as Leonardi |
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Alberto Lupo as Magri |
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Valeria Fabrizi as Susanne |
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Renato De Carmine as Ghedini |
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Daniele Vargas as Brauzzi |
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Andrew Keir as O'Brien |
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Gabriele Tinti as |
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Jeremy Burnham as |
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Paul Müller as Police Commander |
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Gianni Solaro as Admiral Mendoza |
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Andrea Checchi as Micheluzzi |
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Geoffrey Keen as Hodges |
| Directing | Charles Frend | Director |
| Directing | Bruno Vailati | Director |
| Writing | Pino Belli | Writer |
| Writing | Adriano Belli | Writer |
| Writing | Jack Whittingham | Screenplay |
| Writing | Bruno Vailati | Writer |
| Writing | Augusto Frassinetti | Writer |
