A group of mariachis receives a letter to be part of the National Mariachi Contest in Mexico City. In order to be able to win they will need to travel together and solve their differences since their prime was 30 years ago.
| Actor | Role |
|---|---|
 Héctor BonillaPicho | Picho |
 José SefamiGaspar | Gaspar |
 Hernán MendozaAurelio | Aurelio |
 Roberto MedinaMarcial | Marcial |
| MMauricio ArgüellesVirginio (as Mauricio Quintana) | Virginio (as Mauricio Quintana) |
 César RodríguezChelupe | Chelupe |
| EErnesto LoeraJoaquin | Joaquin |
| OOliver NavaMartin | Martin |
 Martha HigaredaFlor | Flor |
 Alejandro CalvaOficial Reyes | Oficial Reyes |
 Mariana TreviñoHilda | Hilda |
 Silverio PalaciosDon Artemio | Don Artemio |
| CClaudia BollatCarmela | Carmela |
 Amorita RasgadoMarthita | Marthita |
| AAndrea LagunésAzalea | Azalea |
 Veronica FalcónCasilda | Casilda |
 Núria BlancoBailarina | Bailarina |