* The Texas Chain Saw Massacre (1974) as W.E. "Ed" Neal
* The Hills Have Eyes (1977) as Fred
* The Return of the Living Dead (1985) as Burt Wilson
* Night of the Creeps (1986) as The Raunchy Man
* Chopping Mall (1986) as Wilkins
* Child's Play 2 (1990) as Phil Simpson
* Body Bags (1993) as The Gravedigger
* The Frighteners (1996) as Ray Lynskey
* Idle Hands (1999) as Mr. Tobias "Papa" Tutweiller
* House of 1000 Corpses (2003) as Captain Spaulding
* The Devil's Rejects (2005) as Captain Spaulding
* Beneath the Surface (2007) as The Old Man
* The Haunted World of El Superbeasto (2009) as The Devil (voice)
* The Lords of Salem (2012) as Herman Jackson
* 31 (2016) as Doom-Head
Television:
* Friday the 13th: The Series (1987–1990) as Buck Meechum
* Freddy's Nightmares (1988–1989) as Various
* Tales from the Crypt (1989–1996) as Various
* The X-Files (1993–2002) as Donnie Pfaster
* Millennium (1996–1999) as Frank Black's father
* Buffy the Vampire Slayer (1997–2003) as Clem
* Charmed (1998–2006) as Kobraz Demon of Fear
* Angel (1999–2004) as The Host
* Poltergeist: The Legacy (1996–1999) as Uncle Cyrus
* The Dead Zone (2002–2007) as Herb Smith
* Supernatural (2005–2020) as Eldon Styne
* The Walking Dead (2010–2022) as Gus