An inventor of a deadly weapon to be used against the allies is injured in a crash. Surgeon, Sir James (Sebastian Shaw) saves his life but learns of the inventors plot.

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Main Cast: Sebastian Shaw, Derrick De Marney, Patricia Roc, Arthur Hambling, Cameron Hall, John Turnbull, Peter Gawthorne, André Morell, Jack Vyvyan, Meinhart Maur

Director: Thomas Bentley

Writers: Dudley Leslie, Jack Byrd

Editor: Cecil H. Williamson

Cinematographer: Geoffrey Faithfull

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