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Jameson Thomas as Michael Deane |
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Benita Hume as Evelyn Seymour |
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Humberston Wright as Dr. Stephen Seymour |
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Basil Gill as President of the Federated States of Europe |
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Edith Barker Bennett as Minor Role |
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James Carew as Lord Rowleigh |
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Alf Goddard as Tele-radiographer |
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Judd Green as James Groves |
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Clifford Heatherley as Delegate |
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Hayford Hobbs as Charles Falloway |
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Raymond Massey as Member of Federated States Council |
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Wally Patch as Peace League Commissionaire |
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Rène Ray as |
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Irene Rooke as Senator |
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Milton Rosmer as Ernest Stratton |
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John Singer as Boy |
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Kiyoshi Takase as Arms Manufacturers' Henchman |
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Henry Vibart as Lord Sycamore |
| Directing | Maurice Elvey | Director |
| Costume & Make-Up | Gordon Conway | Costume Design |
| Art | Andrew Mazzei | Art Direction |
| Writing | Noel Pemberton-Billing | Theatre Play |
| Writing | L'Estrange Fawcett | Scenario Writer |
| Camera | Percy Strong | Director of Photography |
| Writing | L'Estrange Fawcett | Screenplay |
