Shot on location in Paris, Monte Carlo and the Riviera with both American and French actors. When Matthew Versigny discovers that the jewels his diamond company has been buying are fake, he travels to Europe to track down the counterfeiter. With him are his sister, Marguerite and her sweetheart, Paul Bernac, who is an agent in the French Secret Service.
as Matthew Versigny
as Marguerite Versigny
as Paul Bernac
as Arthur Graves
as Trazi d'Aricola
as Andre Zarnoff
as Baron de Lambri
as Le juge
as Pigeon
as Esther Taylor