Featured Works
| As Director: | |
| 1972 | Bone |
| 1974 | It's Alive |
| 1976 | God Told Me To |
| 1978 | It Lives Again: It's Alive 2 / It's Alive 3: Island of the Alive |
| 1982 | Q - The Winged Serpent |
| 1985 | Stuff, The |
| As Writer: | |
| 1972 | Bone |
| 1974 | It's Alive |
| 1976 | God Told Me To |
| 1978 | It Lives Again: It's Alive 2 / It's Alive 3: Island of the Alive |
| 1982 | Q - The Winged Serpent |
| 1985 | Stuff, The |
