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Sebastian Shaw as Sir James Quentin |
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Derrick De Marney as Captain John Mellish |
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Patricia Roc as Pat Quentin |
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Arthur Hambling as Ginger Brown |
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Cameron Hall as Badger Wood |
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John Turnbull as Inspector Gill |
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Peter Gawthorne as General Bullington |
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André Morell as Charles Klein |
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Jack Vyvyan as Sgt. Wells |
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Meinhart Maur as Karl Zaroff |
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Scott Harrold as Ted Blacklock |
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Basil Cunard as Dr. Fairlie |
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Charles Oliver as Johnson |
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Ian Fleming as Pennington |
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Hugh Dempster as Nelson |
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F.B.J. Sharp as The Coroner |
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Billy Watts as Fernald |
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Kay Lewis as Nurse |
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Marjorie Taylor as Nurse |
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Barbara Lott as Nurse |
| Directing | Thomas Bentley | Director |
| Writing | Jack Byrd | Screenplay |
| Writing | Dudley Leslie | Screenplay |
| Production | F.W. Baker | Producer |
| Production | Daniel Birt | Associate Producer |
| Camera | Geoffrey Faithfull | Director of Photography |
| Editing | Cecil H. Williamson | Editor |
| Art | R. Holmes Paul | Art Direction |
| Production | E.S. Laurie | Production Manager |
| Directing | Cecil Dixon | Assistant Director |
| Sound | Hal Fuller | Sound Recordist |
| Camera | Arthur Grant | Camera Operator |
