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John Bentley as Det. Insp. Dan Barker |
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Phyllis Kirk as Judy Roberts |
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Leonard White as Det. Sgt. Mack McLeod |
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Glyn Houston as Charlie Williamson |
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Patrick Jordan as Albert Fisher, called both "Al" and "Bert" |
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Harold Ayer as Steward Alfred Gordon, also called "Al" |
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David Hurst as Paddy Maclure |
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Charles Lloyd Pack as John Hendrick |
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Robert Ayres as Ship's Captain Watford |
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Ewan Roberts as Customs Chief J. S. Blake |
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Michael Balfour as Adams |
| Directing | Guy Green | Director |
| Writing | Rex Rienits | Screenplay |
