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Walter Fitzgerald as Chief Engineer Charles Pollard - M.V. San Demetrio |
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Ralph Michael as 2nd. Officer Hawkins - M.V. San Demetrio |
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Neville Mapp as 3rd. Engineer Willey - M.V. San Demetrio |
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Barry Letts as Apprentice John Jones - M.V. San Demetrio |
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Frederick Piper as Boatswain W.E. Fletcher - M.V. San Demetrio |
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Gordon Jackson as Messboy John Jamieson - M.V. San Demetrio |
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Robert Beatty as 'Yank' Preston - M.V. San Demetrio |
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Mervyn Johns as Greaser John Boyle - M.V. San Demetrio |
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James Donald as Gunnery Officer - H.M.S. Jervis Bay |
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Nigel Clarke as R.J.E Dodds - Shipping Manager |
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Arthur Young as Captain George Waite - M.V. San Demetrio |
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Michael Allen as Cadet Roy Housden - M.V. San Demetrio |
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Herbert Cameron as Pumpman Davies |
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Charles Victor as Deckhand |
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James McKechnie as Deckhand |
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David Horne as Mr. Justice Langton |
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Duncan McIntyre as Deckhand |
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John Owers as |
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Lawrence O'Madden as |
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James Sadler as |
| Production | Robert Hamer | Producer |
| Directing | Charles Frend | Director |
| Editing | Eily Boland | Editor |
| Writing | F. Tennyson Jesse | Writer |
| Writing | Charles Frend | Writer |
| Writing | Robert Hamer | Writer |
| Sound | John Greenwood | Music |
| Crew | Ernest Palmer | Cinematography |
| Production | Michael Balcon | Producer |
