Films[]
- 1988 – Child's Play as Chucky
- 1989 – Grim Prairie Tales as Farley
- 1989 – Terror on Highway 91 as Keith Evans
- 1990 – Child's Play 2 as Chucky (voice)
- 1990 – The Exorcist III as James "Gemini" Venamun
- 1990 – Graveyard Shift as Tucker Cleveland
- 1990 – Spontaneous Combustion as Sam
- 1991 – Body Parts as Remo Lacey
- 1991 – Child's Play 3 as Chucky (voice)
- 1992 – Critters 4 as Al Bert
- 1993 – Trauma as Dr. Lloyd
- 1994 – Death Machine as Dante
- 1997 – Nightwatch as Duty Doctor
- 1997 – Alien Resurrection as Dr. Jonathan Gediman
- 1998 – Progeny as Dr. Bert Clavell
- 1998 – Urban Legend as Michael McDonnell (uncredited)
- 1998 – Bride of Chucky as Chucky (voice)
- 2000 – Shadow Hours as Roland Montague
- 2000 – The Prophecy 3: The Ascent as Zealot
- 2001 – The Ghost as Lt. Garland
- 2001 – Soulkeeper as Mr. Pascal
- 2003 – Vlad as Radescu
- 2004 – The Devil's Due at Midnight as The Dark One
- 2004 – The Hazing as Professor Kapps
- 2004 – Seed of Chucky as Chuck (voice)
- 2006 – Pulse as Thin Bookish Guy
- 2007 – Halloween as Sheriff Leigh Brackett
- 2007 – The Wizard of Gore Dr. Chong
- 2009 – Halloween II as Sheriff Leigh Brackett
- 2010 – Chain Letter as Mr. Smirker
- 2011 – Death and Cremation as Stan
- 2011 – Priest as Salesman
- 2013 – Curse of Chucky as Chucky (voice)
- 2013 – Gingerclown as Worm Creature (voice)
- 2013 – Malignant as The Man
- 2014 – The Control Group as Dr. Broward
- 2017 – Cult of Chucky as Chucky (voice)
- 2018 – Wildling as Daddy / Gabriel Hanson
Television[]
- 1987 – The Hitchhiker: The Legendary Billy B. as Billy Baltimore, Jr.
- 1993 – Tales from the Crypt: People Who Live in Brass Hearses as Virgil
- 1994 – The X-Files: Beyond the Sea as Luther Lee Boggs
- 1997 – Millennium: Force Majeure as Dennis Hoffman
- 1999 – The Hunger: Sin Seer as Manno
- 2021 – Chucky: Death by Misadventure as Chucky (voice)
- 2021 – Chucky: Give Me Something Good to Eat as Chucky (voice)
- 2021 – Chucky: I Like to Be Hugged as Chucky (voice)
- 2021 – Chucky: Just Let Go as Chucky (voice)
- 2021 – Chucky: Little Little Lies as Chucky (voice)
- 2021 – Chucky: Cape Queer as Chucky (voice)
- 2021 – Chucky: Twice the Grieving, Double the Loss as Chucky (voice)
- 2021 – Chucky: An Affair to Dismember as Chucky (voice)
- 2022 – Chucky: Halloween II as Chucky (voice)
- 2022 – Chucky: The Sinners Are Much More Fun as Chucky (voice)
- 2022 – Chucky: Hail, Mary! as Chucky (voice)
- 2022 – Chucky: Death on Denial as Chucky (voice)
- 2022 – Chucky: Doll on Doll as Chucky (voice)
- 2022 – Chucky: He Is Risen Indeed as Chucky (voice)
- 2022 – Chucky: Goin' to the Chapel as Chucky (voice)
- 2022 – Chucky: Chucky Actually as Chucky (voice)