Nenhuma biografia disponível.
| Ano | Nota | Título | Personagem |
|---|---|---|---|
| 1997 | Stolen Women, Captured Hearts | Writer | |
| 1996 | O Relógio | Writer | |
| 1993 | For Love and Glory | Executive Producer | |
| 1993 | For Love and Glory | Writer | |
| 1991 | Psicopata | Teleplay | |
| 1988 | Red River | Writer | |
| 1986 | George Washington II: The Forging of a Nation | Writer | |
| 1986 | George Washington II: The Forging of a Nation | Producer | |
| 1982 | High Powder | Writer | |
| 1978 | The Courage and the Passion | Writer | |
| 1976 | Wanted: The Sundance Woman | Writer | |
| 1976 | State Fair | Writer | |
| 1975 | Long Way Home | Screenplay | |
| 1972 | Chumbo Quente | Screenplay | |
| 1969 | This Savage Land | Writer | |
| 1967 | The Hunted | Writer | |
| 1964 | Um Clarim ao Longe | Adaptation |