AllMovie

Un Drole de Dimanche (What a Sunday) stars Danielle Darrieux as Catherine and Bourvil as her ex-husband Jean. By chance, Catherine and Jean are reunited five years after she walked out of his life. In a fit of romantic nostalgia, Jean mentally reconstructs the events that led up to their separation. He then determines to win her back, certain that he'll never, ever make the same mistakes again? or will he? Listed fifth in the cast of Un Drole de Dimanche is a young sprout named Jean Belmondo, who as Jean-Paul Belmondo would burst onto the international film scene in Godard's Breathless.