A businessman forces a simple man to become a boxer, swimmer, and runner.
| Actor | Role |
|---|---|
 Alberto ClosasNot listed | Not listed |
 Pedro QuartucciNot listed | Not listed |
 Mario FortunaNot listed | Not listed |
 Diana MaggiNot listed | Not listed |
 Sofía BozánNot listed | Not listed |
 Carlos CastroNot listed | Not listed |
 Tono AndreuNot listed | Not listed |
 Pedro LaxaltNot listed | Not listed |
 Fernando CamposNot listed | Not listed |
 Augusto CodecáNot listed | Not listed |
 Oscar ValicelliNot listed | Not listed |
 Gregorio BarriosNot listed | Not listed |
| CCarmen IdalNot listed | Not listed |
| CCarlos Castro "Castrito"Not listed | Not listed |
| IIvonne LescautNot listed | Not listed |
| DDelia ForanNot listed | Not listed |
| MMarcos BronenbergNot listed | Not listed |
 El Hombre MontañaÉl mismo | Él mismo |
| FFélix Daniel FrascaraÉl mismo | Él mismo |
 Ricardo Lorenzo Rodríguez, "Borocotó"Él mismo | Él mismo |
 Tato BoresIgor | Igor |