== Filmografi ==
* ''Dragonslayer'' (1981)
* ''Sophies valg'' (1982)
* ''Ghostbusters II'' (1989)
* ''By Dawn's Early Light'' (1990)
* ''HouseSitter'' (1992)
* ''The Powers That Be'' (1992)
* ''Addams Family Values'' (1993)
* ''Radioland Murders'' (1994)
* ''[[Chicago Hope]]'' (1994–1995)
* ''Dracula: Dead and Loving It'' (1995)
* ''[[Ally]]'' (1997–2002)
* ''[[Bean]]'' (1997)
* ''Baby Geniuses'' (1999)
* ''Recess: School's Out'' (2001): Fenwick
* ''Crazy Love'' (2003)
* ''Harvey Birdman Attorney at Law'' (2003–2007): X the Eliminator
* ''Breakin' All the Rules'' (2004)
* ''Danny Phantom'' (2004-present): Sidney Poindexter (special guest)
* ''The Batman'' (2004–present): Dr.Langstrom/Man-Bat
* ''Justice League Unlimited'' (2005): Chronos
* ''[[Numb3rs]]'' (2005–kører stadig)
* ''[[24 timer]]'', sæson 7 (2007)
* ''The Spectacular Spider-Man'' : Dr. Octopus
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