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)