On the first day of class, Sebastián meets two of his new schoolmates. The three kids come to the conclusion that all the teachers could die at that exact moment and it wouldn't change much: right after they say it, the music teacher falls as if she were struck by lightning.
| Actor | Role |
|---|---|
| JJerónimo EscoriazaSebastián | Sebastián |
| TTomás Exequiel ArayaGuzmán | Guzmán |
| EEmilio LacernaEmail | |
| MMarcelo Ríos RoigRubén | Rubén |
| PPatricia ChristenElsa | Elsa |
| RRodrigo CasavalleRodolfo | Rodolfo |
| PPetrona Del Carmen YabanteTeresa | Teresa |
| PPedro ContrerasRoberto | Roberto |
| DDiego MaldonadoSergio | Sergio |
| DDalila PastorGladys | Gladys |
 Ana María GiuntaSra. Mosca | Sra. Mosca |
| AAlejandra TriguerosSrta. Pereyra | Srta. Pereyra |
| JJuan José CinquegraniSamuel | Samuel |
| EElena SchnellDirectora | Directora |