Un sac de billes
- Ano: 2017
- País: Belgium, Canada, Czech Republic, France
- Gênero: Guerra, Drama
- Estúdio: TF1 Films Production, Forecast Pictures, Main Journey, Gaumont, Quad Productions, IDL Films, Panache Productions, Proximus, Okko Production, La Compagnie Cinématographique
- Palavra-chave: nazi officer, 1940s, occupied france (1940-44), brother brother relationship
- Diretor: Christian Duguay
- Fundida: Dorian Le Clech, Batyste Fleurial, Patrick Bruel, Elsa Zylberstein, Bernard Campan, Christian Clavier