Roy Knyrim
Horror Films as Makeup
| 1988 | Psycho Cop |
| 1989 | The Toxic Avenger, Part II |
| 1993 | Auntie Lee's Meat Pies |
| 1993 | Midnight Kiss |
| 1994 | Mirror, Mirror 2: Raven Dance |
| 1996 | Amityville: Dollhouse |
| 1996 | Children of the Corn IV: The Gathering |
| 1996 | Humanoids from the Deep |
| 1997 | Campfire Tales |
| 1997 | Uncle Sam |
| 1998 | Children of the Corn V: Fields of Terror |
| 1998 | Modern Vampires |
| 1998 | Progeny |
| 1998 | The Prophecy II |
| 1999 | Children of the Corn 666: Isaac's Return |
| 1999 | Wishmaster 2: Evil Never Dies |
| 2000 | The Prophecy 3: The Ascent |
| 2001 | Wishmaster 3: Beyond the Gates of Hell |
| 2002 | Wishmaster 4: The Prophecy Fulfilled |
| 2005 | Urban Legends: Bloody Mary |
| 2006 | Trapped Ashes |
Horror Films as Effects
| 1988 | Slugs |
| 1994 | Mirror, Mirror 2: Raven Dance |
| 1998 | Modern Vampires |
| 1998 | Progeny |
| 2005 | 2001 Maniacs |
Horror Films as Director
| 2006 | Cemetery Gates |
| 2007 | Night Skies |
