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Kent Taylor as Ted O'Hara |
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Jane Hylton as Joan Butler |
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Kathleen Byron as Renee L'Epine |
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Karl Stepanek as Zelinsky |
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Frederick Valk as Otto Weber |
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Maurice Kaufmann as Dan Flemying |
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Martin Boddey as Squire Marlowe, the Wrestler |
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Arthur Lane as Bob Hendon |
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Hugo Schuster as Professor Henrik |
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John Boxer as Inspector Dalton |
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Michael Ripper as Bill Rymer |
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Michael Balfour as Stevens |
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Alexander Field as Train Porter |
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Vivienne Martin as Lola |
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John Warren as Bargee |
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Fred Griffiths as Gymnasium Attendant |
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Terence Brook as Man on Sofa |
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Patrick Dowling as First Reporter |
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Arthur Bentlet as Second Reporter |
| Production | William N. Boyle | Producer |
| Directing | R.G. Springsteen | Director |
| Editing | John Seabourne Sr. | Editor |
| Sound | Charles Poulton | Sound |
| Art | John Stoll | Art Direction |
| Crew | Basil Emmott | Cinematography |
| Costume & Make-Up | Ernest Gasser | Makeup Artist |
| Costume & Make-Up | Betty Baugh | Hair Designer |
| Writing | Kenneth R. Hayles | Writer |
| Writing | Paul Erickson | Writer |
| Sound | Lambert Williamson | Music |
