Berthon, racing driver, is committed to the 24 Hours of Le Mans while Genevieve, his wife, has been trying for years to convince him to retire. Desperate, she became the mistress of his brother, always jealous of his elder.
| Actor | Role |
|---|---|
 Liliane BertGeneviève Berthon | Geneviève Berthon |
 Jean ClarieuxRaymond Berthon | Raymond Berthon |
 Jean VinciPatrick Berthon | Patrick Berthon |
| CChristian DuvalieuxDelorme | Delorme |
| CClaude PéranBleche | Bleche |
 Serge SauvionLe second pilote | Le second pilote |
 Jean BerthoPremier mécano | Premier mécano |
 Jacques DeschampsDeuxième mécano | Deuxième mécano |
| GGérard GuillaumeLe médecin | Le médecin |