A middle-aged playboy becomes fascinated by the daughter of a private detective who has been hired to entrap him with a client's wife.

Top Cast

Gary CooperFrank Flannagan

Audrey HepburnAriane Chavasse / Thin Girl

Maurice ChevalierClaude Chavasse

John McGiverMonsieur X

Van DoudeMichel

Lise BourdinMadame X

Olga ValéryHotel Guest with Dog

Paul BonifasPolice Chief (uncredited)