After Regina Lampert falls for the dashing Peter Joshua on a skiing holiday in the French Alps, she discovers upon her return to Paris that her husband has been murdered. Soon, she and Peter are giving chase to three of her late husband's World War II cronies, Tex, Scobie and Gideon, who are after a quarter of a million dollars the quartet stole while behind enemy lines. But why does Peter keep changing his name?
Elenco: Cary Grant , Audrey Hepburn , Walter Matthau , James Coburn , George Kennedy , Dominique Minot , Ned Glass , Jacques Marin , Paul Bonifas , Thomas Chelimsky , Marc Arian , Claudine Berg , Marcel Bernier , Albert Daumergue , Raoul Delfosse , Stanley Donen , Jean Gold , Chantal Goya , Clément Harari , Monte Landis , Bernard Musson , Antonio Passalia , Jacques Préboist , Peter Stone , Michel Thomass , Roger Trapp , Louis Viret .