Drehbuchautor bei
| 2023 | Suitable Flesh | ||
| 2007 | The Black Cat | ||
| 2006 | Masters of Horror: Pro-Life | ||
| 2005 | Dreams in the Witch-House | ||
| 2001 | Dagon | ||
| 2001 | Bleacher Bums | ||
| 1998 | The Dentist 2 | ||
| 1996 | The Dentist | ||
| 1995 | Castle Freak | ||
| 1993 | Body Snatchers - Die Körperfresser | ||
| 1992 | Spellcaster | ||
| 1991 | The Pit and the Pendelum - Der Meister des Grauens U | ||
| 1990 | Werwolf -Der Kuss der Bestie | ||
| 1988 | Ghoulies II | ||
| 1986 | From Beyond - Aliens des Grauens | ||
| 1985 | Der Re-Animator |