A group of veteran boxers find a young potential champion to train.
| Actor | Role |
|---|---|
| RRodolfo GonzálezNot listed | Not listed |
 Patricia RiveraNot listed | Not listed |
 Rebeca SilvaNot listed | Not listed |
| RRodolfo CasanovaNot listed | Not listed |
 Carlos EastNot listed | Not listed |
 Manuel 'Flaco' IbáñezNot listed | Not listed |
 Raúl MacíasNot listed | Not listed |
 Jacaranda AlfaroNot listed | Not listed |
| IIrina AreuNot listed | Not listed |
| RRodolfo 'Chango' CasanovaNot listed | Not listed |
| TTere CornejoNot listed | Not listed |
| MMiguel Ángel GarcíaNot listed | Not listed |
| FFederico GonzálezNot listed | Not listed |
| RRegino HerreraNot listed | Not listed |
| EEnrique LlanesNot listed | Not listed |
| JJoe MedelNot listed | Not listed |
| RRicardo "Pajarito" MorenoNot listed | Not listed |
| BBilly MottonNot listed | Not listed |
| UUltiminio RamosNot listed | Not listed |
| CCarlos RíosNot listed | Not listed |
| JJulio SantosNot listed | Not listed |
| SShantalNot listed | Not listed |
| GGilberto SosaNot listed | Not listed |
| LLuis VillanuevaNot listed | Not listed |
| SSybille YoungNot listed | Not listed |
| CCarlos ZárateNot listed | Not listed |