Un sac de billes is a 1975 French film based on the 1973 autobiographical novel Un sac de billes by Joseph Joffo. Doillon made use of mainly non-professional actors, as also in his next film with children, La Drôlesse (1979). Among the non-professional actors, the father - who is captured and sent to Auschwitz - is played by Jo Goldenberg, owner of the famous deli at 7, Rue des Rosiers in Paris's Jewish district, which 7 years after the film was the site of the Goldenberg restaurant attack.