Con artists use a member of a European royal family to swindle a major jewelry company.
Grand Duke Ludwig of Saxe-Thalberg
Sarah Minx aka Sally of the Subway
Angela
Stanley M. Gordon
Leopold Von Trump
Moffitt
Miss Duncan - Credit Manager
Police Lieutenant Paxton
Bill - Police Officer
Mrs. Stubbs
McMillan, Henchman
Scraggs, Henchman