Gary Cooper

~ as ~

Frank Flannagan

Audrey Hepburn

~ as ~

Ariane Chavasse / Thin Girl

Maurice Chevalier

~ as ~

Claude Chavasse

John McGiver

~ as ~

Monsieur X

Van Doude

~ as ~

Michel

Lise Bourdin

~ as ~

Madame X

Olga Valéry

~ as ~

Hotel Guest with Dog

Paul Bonifas

~ as ~

Police Chief (uncredited)

Audrey Long

~ as ~

Brunette (uncredited)

Charles Lemontier

~ as ~

General (uncredited)