Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Harry el sucio | 1971 | |
| Writer | Das Boot. El submarino | 1981 | |
| Writer | Infierno de cobardes | 1973 | |
| Writer | Impacto súbito | 1983 | |
| Writer | Harry el ejecutor | 1976 | |
| Writer | Escalofrío en la noche | 1971 | |
| Writer | La jungla humana | 1968 | |
| Writer | El golpe 2 | 1983 | |
| Writer | La gran estafa | 1973 | |
| Writer | Belleza mortal | 1987 |