Oyuncu
| 1971 | Welcome to the Club |
Diğer Roller
| 2009 | Dark Shadows: The Vampire Curse - Story |
| 1997 | Kalkuliertes Risiko - Writer |
| 1989 | The Eyes of the Panther - Writer |
| 1981 | Charlie and the Great Balloon Chase - Writer |
| 1980 | The Forgotten City of the Planet of the Apes - Writer |
| 1980 | Back to the Planet of the Apes - Writer |
| 1978 | The World Beyond - Writer |
| 1977 | World of Darkness - Creator |
| 1977 | World of Darkness - Teleplay |
| 1973 | The Haunting of Rosalind - Teleplay |
| 1973 | A Gift of Terror - Writer |
| 1972 | She Waits - Writer |
| 1971 | A Tattered Web - Writer |
| 1971 | Dr. Cook's Garden - Teleplay |
Duvar