Nenhuma biografia disponível.
| Ano | Nota | Título | Personagem |
|---|---|---|---|
| 2001 | Warden of Red Rock | Writer | |
| 1996 | Ruby Jean and Joe | Writer | |
| 1994 | In the Heat of the Night: Who Was Geli Bendl? | Writer | |
| 1994 | In the Heat of the Night: A Matter of Justice | Writer | |
| 1988 | Jesse | Writer | |
| 1988 | April Morning | Teleplay | |
| 1987 | A Rainha do Pôquer | Writer | |
| 1987 | No Rastro da Violência | Teleplay | |
| 1986 | Justiça pelas Próprias Mãos | Writer | |
| 1986 | Stagecoach | Teleplay | |
| 1980 | Angel City | Writer | |
| 1980 | Belle Starr | Writer | |
| 1980 | The Day Christ Died | Teleplay | |
| 1979 | Os Peregrinos | Writer | |
| 1979 | Wild Horse Hank | Writer | |
| 1978 | Stubby Pringle's Christmas | Writer | |
| 1977 | Agarra-me se Puderes | Screenplay | |
| 1971 | Something Big | Producer | |
| 1971 | Something Big | Writer | |
| 1971 | O Olho da Justiça | Sonny Boy | |
| 1971 | O Olho da Justiça | Screenplay | |
| 1971 | O Olho da Justiça | Executive Producer | |
| 1970 | Cheyenne | Screenplay | |
| 1970 | … tick… tick… tick… | Producer | |
| 1970 | … tick… tick… tick… | Screenplay | |
| 1969 | Jamais Foram Vencidos | Screenplay | |
| 1968 | Os Boinas Verdes | Screenplay | |
| 1968 | O Preço de um Covarde | Screenplay | |
| 1965 | Shenandoah | Writer | |
| 1965 | A Maior História de Todos os Tempos | Screenplay | |
| 1965 | Quando Floresce o Amor | Writer | |
| 1957 | The D.I. | Screenplay |