Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Star Wars: Episodio V - El Imperio contraataca | 1980 | |
| Writer | Río Bravo | 1959 | |
| Writer | El sueño eterno | 1946 | |
| Writer | Un largo adiós | 1973 | |
| Writer | El Dorado | 1966 | |
| Writer | Hatari! | 1962 | |
| Writer | Rio Lobo | 1970 |
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Star Wars: Episodio V - El Imperio contraataca | 1980 | |
| Writer | Río Bravo | 1959 | |
| Writer | El sueño eterno | 1946 | |
| Writer | Un largo adiós | 1973 | |
| Writer | El Dorado | 1966 | |
| Writer | Hatari! | 1962 | |
| Writer | Rio Lobo | 1970 |