Patate is a 1964 French film starring Pierre Dux, Jean Marais, Danielle Darrieux and Sylvie Vartan.
Léon Rollo, known as "Patate", accompanied by his wife Edith and his daughter Alexa whom he adores, is an unlucky inventor.
Thomas' film is inspired by the eponymous play by Marcel Achard - Patate written in 1956 and premiered in Paris in 1957 at the Théâtre Saint-Georges.
The enormous theatrical success of Marcel Achard's play, was attractive to film producers including the American 20th Century Fox.
There are also all the great supporting roles in the film: Anne Vernon, Noël Roquevert, Jane Marken, Hubert Deschamps, Henri Virlojeux and Jacques Jouanneau.