The war will separate the members of the Valon family, two sons Alexandre and Antoine being prisoners, while the youngest Gilbert enters the secret army. Only their sister, Denise, will stay on the farm with her grandfather and grandmother. The Germans invade the free zone.
| Actor | Role |
|---|---|
 Nicolas AmatoNot listed | Not listed |
 Michel ArdanAlexandre Valon | Alexandre Valon |
| JJosée ArielNot listed | Not listed |
| AAlfred ArlaisNot listed | Not listed |
 Alain BouvetteNot listed | Not listed |
| MMartine ChantalDenise Valon | Denise Valon |
 Evelyne CormanThe German | The German |
 Marcel DelaîtreNot listed | Not listed |
 Édouard DelmontGrandfather Valon | Grandfather Valon |
 Maurice FavièresAntoine Valon | Antoine Valon |
| GGeorges GalleyGilbert Valon | Gilbert Valon |
 Jean-Pierre MockyViolinist | Violinist |
| RRoger MéraOfficer | Officer |
| CClaire NeuvilleNot listed | Not listed |
 Claire OlivierGrandma Valon | Grandma Valon |
| RRaymond PélissierNot listed | Not listed |
| RRobert SellerNot listed | Not listed |
| RRégine ServaNot listed | Not listed |
| RRobert TentonNot listed | Not listed |
| MMarco VillaNot listed | Not listed |
 Charles VissièresNot listed | Not listed |
| HHugues WannerNot listed | Not listed |