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Clifford Earl as Commander |
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Ray Lonen as Lieutenant Commander Finch |
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Laurence Harrington as Surgeon Lieutenant |
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Iain Blair as Able Seaman Harris |
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Leo Dolan as Able Seaman Plunket |
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Alan O'Keefe as Able Seaman Morgan |
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Tony Rowlands as Able Seaman Meadows |
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James Walsh as Able Seaman Watts |
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Albert Lampert as Able Seaman Yates |
| Camera | John McCallum | Director of Photography |
| Editing | John Middlewick | Editor |
| Directing | Gil Wheelan | Assistant Director |
| Sound | John Shakespeare | Music |
| Sound | David Lindop | Music |
| Sound | Sid Squires | Sound Recordist |
| Production | Ron Holtzer | Producer |
| Production | Harry Field | Executive Producer |
| Writing | Cedric Maggs | Writer |
| Directing | Cedric Maggs | Director |