Title : The Diamond Wizard
Genre : Thriller, Drama, Crime
Cast : Dennis O'Keefe (Joe Dennison), Margaret Sheridan (Marline Miller), Philip Friend (Insp. McClaren), Alan Wheatley (Thompson Blake), Francis de Wolff (Yeo), Eric Berry (Hunziger), Gudrun Ure (Sgt. Smith (as Ann Gudrun))
Movie Plot : 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.