The Diamond Wizard

Directed by Dennis O'Keefe and Montgomery Tully

With Dennis O'Keefe, Margaret Sheridan, Philip Friend, Alan Wheatley and Francis de Wolff

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.