Description

While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O'Keefe) assists Scotland Yard Insp. McClaren (Philip Friend) in his search for a missing atomic scientist (Paul Hardtmuth). The detective duo discovers that the key to solving both cases may rest with the scientist's daughter (Margaret Sheridan) and her fascinating diamond.

Cast

Dennis O'Keefe

Margaret Sheridan

Philip Friend

Alan Wheatley

Francis de Wolff

Gudrun Ure

Paul Hardtmuth

Colin Tapley

Michael Balfour

Cyril Chamberlain

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