Claudius finds a foal and takes it home to his boss. The men who stole the animal are looking for him. Claudius names him Champignol and trains him for racing. When he grows up, Champignol wins a regional race. But the thieves return, and Claudius is forced to do odd jobs to keep his horse.
| Actor | Role |
|---|---|
 Jean RichardClaudius Binoche | Claudius Binoche |
 Michel SerraultHector | Hector |
 Michel Barbey'Chef' Patrice | 'Chef' Patrice |
 Martine SarceyMadeleine | Madeleine |
 Alfred AdamAntoine | Antoine |
 Clément MichuBerluron | Berluron |
 Denise BenoitJuliette | Juliette |
 Robert RollisGustave | Gustave |
| RRichard MarsanFred | Fred |
 Albert MichelPeasant | Peasant |
 Béatrice AltaribaEvelyne | Evelyne |
 Gérard CroceConsumer | Consumer |
 Christian BrocardMotorcyclist | Motorcyclist |
 Gabriel GobinLarivière | Larivière |
 Jacques PréboistTaxi driver | Taxi driver |
| CCharley MillsEarl of Shelton | Earl of Shelton |
 Mario DavidTony | Tony |
 Léon ZitroneSelf | Self |
| SSylvie GeorgesNot listed | Not listed |
 Henri LabussièreBrigadier | Brigadier |
 André DalibertCafe owner | Cafe owner |
 Pierre DuncanBoss of 'Trigano' | Boss of 'Trigano' |
 Carlo NellCommissioner | Commissioner |
| JJean BertonPoliceman | Policeman |
 André TomasiGardener | Gardener |
 André BadinJockey | Jockey |
 Marcel GassoukPeasant | Peasant |
| ÉÉliane GraultNot listed | Not listed |
 Mag-AvrilNot listed | Not listed |
 René AliéNot listed | Not listed |