Acted with Greenbriar Repertory in West Virginia
Appeared in NBC miniseries "Studs Lonigan"
Co-starred in ABC TV miniseries "Wild Palms"
First collaboration with director David Lynch, "Dune"
Had featured role as the man obsessed with explosives and Evelyn Nesbitt in Milos Forman's "Ragtime"
Had title role in the NBC movie "Sergeant Matlovich vs. the U.S. Air Force"
Made uncredited appearance in "Urban Legend" as a gas station attendant
Played recurring role of Crewman Suder on the UPN series "Star Trek; Voyager"
Breakthrough feature role, Billy Bibbit in "One Flew Over the Cuckoo's Nest", directed by Milos Forman; earned Oscar nomination as Best Supporting Actor
Co-starred as a killer whose soul possesses a doll in "Child's Play"; also voiced the doll Chucky in the same film
Co-starred in "Shadow Hours" as a gas station owner
Moved to NYC; roomed with actress Conchata Ferrell
Once again voiced the murderous doll in "Bride of Chucky"
Acted with Circle Repertory Company
Again voiced Chucky in "Child's Play 3"
Cast as Grima Wormtounge in Peter Jackson's film adaptation of J.R.R. Tolkein's "The Lord of the Rings" (filmed 1999-2000); released in three parts over three years: "The Fellowship of the Rings" (2001); "The Two Towers" (2002) and "The Return of the King" (2003)
Feature acting debut in "W. W. and the Dixie Dancekings"
First major theatrical role in "When You Comin' Back, Red Ryder?" at Circle Rep
Had featured role in Lynch's "Blue Velvet"
Reprised his role as the voice of Chucky in "Seed of Chucky"
Reprised the voice of Chucky in "Child's Play 2"
Starred in John Huston's "Wise Blood" as an obsessed preacher
Was featured in "Alien Resurrection"
Appeared in the "The Lord of the Rings: The Return of the King" the last of the three part series
Cast as a vampire in the ABC movie "I, Desire"
Featured as Doc Cochran in the HBO drama "Deadwood"; earned an Emmy nomination for Best Supporting Actor in a Drama for 2004
Had regular role of a town resident named Frenchy in the PAX-TV prequel series "Ponderosa"
Made memorable guest appearance on "The X-Files" (Fox)
Portrayed a doctor who follows cult leader Jim Jones to South America in "Guyana Tragedy: The Story of Jim Jones" (CBS)
Recommended by Forman, taught acting and directing at Columbia University
TV debut in "Great Performances" production of Lanford Wilson's "The Mound Builders" (PBS)