Gary Cooper
Frank Flannagan
Audrey Hepburn
Ariane Chavasse / Thin Girl
Maurice Chevalier
Claude Chavasse
John McGiver
Monsieur X
Van Doude
Michel
Lise Bourdin
Madame X
Olga Valéry
Hotel Guest with Dog
Paul Bonifas
Police Chief (uncredited)
Audrey Long
Brunette (uncredited)
Charles Lemontier
General (uncredited)
Eve Marley
Tandemist (uncredited)
Moustache
Butcher (uncredited)
Jean Ozenne
Ritz Receptionist (uncredited)
Marcelle Praince
Rich Woman (uncredited)
Betty Schneider
Couple Drenched by Water Wagon (uncredited)
Alexandre Trauner
Artist (uncredited)
Audrey Young
Frank's Opera Date (uncredited)