Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Psicosis | 1960 | |
| Writer | Psycho (Psicosis) | 1998 | |
| Writer | Psicosis II: El regreso de Norman | 1983 | |
| Writer | Psicosis IV: El comienzo | 1990 | |
| Writer | El caso de Lucy Harbin | 1964 | |
| Writer | La mansión de los crímenes | 1971 | |
| Writer | El asilo del terror | 1972 | |
| Writer | El asilo del terror | 1972 | |
| Writer | La maldición de la calavera | 1965 | |
| Writer | Viaje a la Atlántida del capitán Nemo | 1978 | |
| Writer | Las tijeras del diablo | 1967 |