Historias para no dormir El fin empezó ayer (1964–1968) Online
In a University a professor suspects of the powerful intelligence of one of the students. As long as several crimes take place.
| Episode cast overview, first billed only: | |||
 | Manuel Tejada | - | Marco Alesio |
 | Fernando Cebrián | - | Profesor Ferraro |
 | José María Caffarel | ||
 | Javier Loyola | ||
 | Natalia Dicenta | ||
| Ana Isabel Hernando | ||
| Katrin Grossbach | ||
| Carmen Crespo | ||
| María Jesús Hoyos | ||
| Lorenzo Ramírez | ||
| Alberto Solá | ||
| Alberto Bové | ||
| Francisco Portes | ||
| Fernando Tejada | ||
| Javier Viñas |