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James Franciscus as Lt. Comdr. Jeffords, R.N.V.R. |
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Elizabeth Shepherd as Alison |
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Ronald Allen as Comdr. Ashurst, R.N. |
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Magda Konopka as Luciana |
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Drewe Henley as Sub. Lt. Johnson, R.N. |
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Reuven Bar-Yotam as C.P.O. Yacov |
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Inigo Jackson as C.P.O. Stanhope |
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Philip Madoc as 'E' Boat Captain |
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Moultrie Kelsall as Vice Admiral Ashurst |
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David Savile as Lieut. Wallace, R.N. |
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Τάκης Εμμανουήλ as |
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Mark Hawkins as Lieut. Barlow, R.N |
| Directing | Paul Wendkos | Director |
| Writing | Anthony Spinner | Screenplay |
| Writing | Donald Ford | Screenplay |
| Crew | Vic Armstrong | Stunt Coordinator |
