A composer and a French film star, both of whom are married to others, meet and fall in love while shooting a film in the United States.
| Actor | Role |
|---|---|
 Jean-Paul BelmondoHenri | Henri |
 Annie GirardotFrançoise | Françoise |
| MMaria Pia ConteLa femme d'Henri | La femme d'Henri |
 Marcel BozzuffiLe mari de Françoise | Le mari de Françoise |
 Farrah FawcettPatricia | Patricia |
| PPeter BergmanLe metteur en scène | Le metteur en scène |
 Kaz GarasPaul | Paul |
 Bill QuinnLe passager | Le passager |
 Arturo DominiciLe douanier | Le douanier |
 Timothy BlakeLes Dominos | Les Dominos |
| JJerry CipperlyLes billets français | Les billets français |
| FFoster HoodL'indien | L'indien |
 Richard BasehartActeur | Acteur |
 Simone RenantL'amie de Françoise | L'amie de Françoise |
| SSusan Albert(uncredited) | (uncredited) |
| NNorm Nathan(uncredited) | (uncredited) |
| SStuart Nisbet(uncredited) | (uncredited) |
| CClayton Wilcox(uncredited) | (uncredited) |