Romy Schneider as Fanny Emmetsrieder

Jean-Claude Pascal as Tsar Alexander the First

Paul Guers as French Ambassador D'Aurignac

Jacqueline Marbaux as Princess Metternich

Helmuth Lohner as Count Waldau

Charles Regnier as Prince Metternich

Hans Moser as Grandpa Emmetsrieder

Simone Paris as

Véra Valmont as Empress Marie Louise

Josef Meinrad as Baron Hager

Helmut Qualtinger as Detective Zawadil

Rolf Wanka as Count Waldau Sr.

Marcel Marceau as Mime

Margarethe Hruby as Lady Stewart (uncredited)

Willy Maertens as Count Schleizenstein (uncredited)

Franz Schafheitlin as English Ambassador Lord Stewart (uncredited)

Hans Schwarz Jr. as Prince Razumofsky (uncredited)

Lou Seitz as Countess Haschlowitz (uncredited)

Erik von Loewis as General Seidelbast (uncredited)