Romy Schneider as Kitty Dupont

Karlheinz Böhm as Robert Ashlin

O.E. Hasse as Sir William Ashlin

Ernst Schröder as Crawford, Sekretär der britischen Delegation

Paul Dahlke as Henry Dupont

Alice Treff as Luise Dupont

Peer Schmidt as Boris Malewski

Charles Regnier as Jeannot

Ernst Waldow as Franz, Friseur

Wolfgang Völz as Steel

Heini Göbel as Fotoreporter

Sammy Drechsel as Rundfunkreporter

Eduard Linkers as Wirt

Rudolf Rhomberg as Wirt

Ina Peters as

Hans Hermann Schaufuß as