The relationship of the young night school teacher with her students.
| Actor | Role |
|---|---|
 Delia GarcésEnriqueta Baretti | Enriqueta Baretti |
 Oscar ValicelliJulián Muruni | Julián Muruni |
 Felisa MaryAngelina Zabala | Angelina Zabala |
 Nelo CosimiRamón Maggia | Ramón Maggia |
 Rafael FrontauraDon Florencio | Don Florencio |
 María SantosSeñorita Espinoza | Señorita Espinoza |
 María Esther BuschiazzoMadre Julián | Madre Julián |
 César FiaschiSolis | Solis |
 Nélida BilbaoAdela | Adela |
 Ilde PirovanoNot listed | Not listed |
 Armando BóPeter Nassen | Peter Nassen |
 Salvador LotitoEmilio Perotti | Emilio Perotti |
 SemillitaMedialuna | Medialuna |
| JJulio ScarcellaDirector de la escuela | Director de la escuela |
| JJosé TresenzaNot listed | Not listed |
| EEster BenceNot listed | Not listed |
| CCarlos TomkinsonNot listed | Not listed |
 Orestes CavigliaPerotti padre | Perotti padre |