Cast
Helmut Qualtinger
Detective Zawadil
Willy Maertens
Count Schleizenstein (uncredited)
Franz Schafheitlin
English Ambassador Lord Stewart (uncredited)
Romy Schneider
Fanny Emmetsrieder
Simone Paris
Véra Valmont
Empress Marie Louise
Marcel Marceau
Mime
Helmuth Lohner
Count Waldau
Erik von Loewis
General Seidelbast (uncredited)
Paul Guers
French Ambassador D'Aurignac
Charles Regnier
Prince Metternich
Rolf Wanka
Count Waldau Sr.
Jean-Claude Pascal
Tsar Alexander the First
Hans Moser
Grandpa Emmetsrieder
Josef Meinrad
Baron Hager