"When registering in a Berlin hotel, the beautiful Lilian realizes that she apparently has a doppelganger: She is arrested as a wanted jewel thief. Lilian decides to find the woman who is preparing her next coup in Nice."
Lilian Harvey
as Lilian von Trucks / Yvette Demoulin
Harry Halm
as Leopold
Willy Fritsch
as Erik Termeulen
Sig Arno
as Paul
Warwick Ward
as Roger
Hermann Speelmans
as Emil
Wilhelm Bendow
as jeweler Burggraf
Max Ehrlich
as receptionist
Paul Biensfeldt
as Kommissar in Berlin
Julius Falkenstein
as Kommissar in Nice
Karl Platen
as night porter
Carl Drews
Director of Photography
Jacek Rotmil
Art Direction
Erich Nitzschmann
Johannes Guter
Director
Robert Liebmann
Writer
Frank Maraun
Story
Günther Stapenhorst
Producer