The story focuses in on three young boys who, arrested by the authorities, await sentencing in Mexico City's Juvenile Court. One boy has killed his stepfather to protect his mother; the second boy has been goaded into blinding his chief tormentor; and the third resorts to stealing to support his family.
| Actor | Role |
|---|---|
| MMario Humberto Jiménez PonsChinampina | Chinampina |
| IIgnacio García TorresPedro | Pedro |
| RRogelio 'Frijolitos' Jiménez PonsFrijolito | Frijolito |
| MMario NavarroLuis | Luis |
 Miguel ManzanoPedro Romero | Pedro Romero |
 Rafael EstradaSeñor director | Señor director |
 Enrique LuceroLic. José Gutiérrez | Lic. José Gutiérrez |
 Roberto MeyerDon Panchito | Don Panchito |
| AAntonio BrillasProfesor Magaña | Profesor Magaña |
| MManuel Vergara 'Manver'Don Nico | Don Nico |
 Inés MurilloMamá de Luis | Mamá de Luis |
| EEufrosina GarcíaLimosnera borrachita | Limosnera borrachita |
 Ismael Pérez 'Poncianito'El zancudo | El zancudo |