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.
Directing | Dennis O'Keefe | Director |
Directing | Montgomery Tully | Director |
Writing | John C. Higgins | Writer |
Editing | Helga Cranston | Editor |
Writing | Maurice Procter | Book |
Production | Steven Pallos | Producer |
Sound | Matyas Seiber | Music |
Art | Denis Wreford | Art Direction |
Sound | Matyas Seiber | Conductor |
Production | Charles Leeds | Production Manager |
Directing | Jim O'Connolly | Assistant Director |
Camera | Arthur Graham | Camera Operator |
Sound | W. H. Lindop | Sound Recordist |
Costume & Make-Up | Charles Nash | Makeup Artist |
Directing | Adele Reynolds | Continuity |
Camera | Gordon Lang | Director of Photography |