Grew up in California, Virginia, New York and Japan

Spotted by an agent while appearing in the play "Anthems"

TV acting debut, "The Bill Cosby Show" (NBC)

Played recurring character of Nurse Jessie Brewer's teenaged nephew on the ABC daytime drama "General Hospital"

Primetime series debut as a regular as teenager Doobie Wheeler on the short-lived ABC sitcom "The Texas Wheelers"

TV-movie debut in "Eric", an NBC "Hallmark Hall of Fame" production

Portrayed Ken Newkirk in Richard Donner's "Sarah T.--Portrait of a Teenage Alcoholic" (NBC), starring Linda Blair

Played recurring role in the early seasons of "One Day at a Time" (CBS)

Played David Bradford in pilot episode of "Eight Is Enough" (ABC); succeeded in role by Grant Goodeve

Voiceover debut in animated feature, "Wizards"

Breakthrough screen role in debut feature, played hero Luke Skywalker in George Lucas' classic "Star Wars"

Reprised role of Luke Skywalker role for sequel, "The Empire Strikes Back", directed by Irvin Kershner

Car accident disfigured face which, despite reconstructive surgery, remained altered

Broadway debut as John Merrick in "The Elephant Man"

Again played Luke for the second sequel "The Return of the Jedi", directed by Richard Marquand

Returned to Broadway playing Mozart in "Amadeus"

Stage musical debut, singing and dancing in the short-lived Broadway production "Harrigan 'n' Hart"

Starred in the Off-Broadway revival of "Room Service", directed by Alan Arkin

Had title role in Broadway production of "The Nerd"

Returned to big screen after six-year absence, playing a vicious bounty hunter in "Slipstream", a futuristic thriller released theatrically internationally but direct-to-video in the USA

Played a nasty villain, The Trickster, in two episodes of the CBS series "The Flash"

Voiced the Joker for Fox animated series, "The Adventures of Batman and Robin"

Reprised voicing the Joker for animated feature, "Batman: Mask of the Phantasm"

Provided voice of the Admiral for "Commander Toad in Space", an episode of "ABC Weekend Specials" combining live action and puppetry

Acted in "Eye" segment of "John Carpenter Presents Body Bags" (Showtime)

Starred in CD-ROM "Wing Commander III: Heart of the Tiger"; had previously acted in the interactive game "Gabriel Knight"

Reteamed with Carpenter for feature remake of "Village of the Damned"

Played time-traveling friend of Richard Greico in Showtime movie, "When Time Expires"

Portrayed the villain in "Hamilton", based on two Jan Guillou novels about Swedish super-agent Carl Hamilton (Peter Stormare)

Co-produced and acted in "Watchers Reborn"