Un sac de billes
- Blwyddyn: 2017
- Gwlad: Belgium, Canada, Czech Republic, France
- Genre: War, Drama
- Stiwdio: TF1 Films Production, Forecast Pictures, Main Journey, Gaumont, Quad Productions, IDL Films, Panache Productions, Proximus, Okko Production, La Compagnie Cinématographique
- Allweddair: nazi officer, 1940s, occupied france (1940-44), brother brother relationship
- Cyfarwyddwr: Christian Duguay
- Cast: Dorian Le Clech, Batyste Fleurial, Patrick Bruel, Elsa Zylberstein, Bernard Campan, Christian Clavier