Organized Manhattan's Children's Theatre Group (performed in public housing)
Played small role as the boyfriend in feature "Love Is a Carousel"
Appeared on Broadway in "Fiddler on the Roof"
Cast by Robert Benton in Benton's feature directorial debut "Bad Company"; played one of the immature members of a post-Civil War gang led by Jeff Bridges
Toured USA in production of "One Flew Over the Cuckoo's Nest" playing the role of Billy Bibbit
Appeared in TV-movie "All the Kind Strangers" (ABC), directed by Burt Kennedy
Had title role in NBC "Hallmark Hall of Fame" presentation, "Eric"; also wrote the song "Loving Somebody"
Wrote and sang the songs as star of Crown International's "The Sister-in-Law"
Was cub reporter lead in short-lived NBC series "Gibbsville"
Appeared on Broadway as Bobby in David Mamet's "American Buffalo", co-starring future brother-in-law Robert Duvall
Had key featured role as the buddy who returns from Vietnam with shattered legs in "The Deer Hunter"
Starred as Claude Hooper Bukowski in the underrated film musical "Hair"
Portrayed policeman who survived partner Ted Danson's shooting in "The Onion Field", adapted by Joseph Wambaugh from his novel
Starred as young suicide survivor in "Inside Moves"
Seen as Amanda Plummer's love interest Bittercreek Newcomb in "Cattle Annie and Little Britches"
Moved to South Africa, where he would work in the anti-Apartheid movement
Co-starred with Charleton Heston (as son and father) in "Nairobi Affair", a CBS movie shot on location in Kenya
First time portraying Nastassja Kinski's war-ravaged husband in Andrei Konchalovsky's "Maria's Lovers"; also initial association with producers Menahem Golan and Yoram Globus
Played combat photographer who paid the ultimate price for snapping a legend-making shot in Oliver Stone's quasi-docudrama "Salvador"
Gave just the right amount of misanthropy, nobility and moody temperment to his portayal of the Beast (though his prince came across as a bit wooden) in Golan-Globus remake of "Beauty and the Beast"
Co-starred with Duvall in feature "Hotel Colonial"
Portrayed Lennie in stage production of "Of Mice and Men" at NYC's Roundabout Theatre
First film with Spike Lee, "Do the Right Thing"
Had small role in Francis Ford Coppola's "The Godfather, Part III"; played the son of Duvall's character
Was assistant production manager for sequences of Lee's "Malcolm X" shot in South Africa
Appeared with daughter Jennifer Youngs in Daniel Adams' "Primary Motive", playing a seedy reporter digging up dirt on a political candidate
Acted in Sean Penn's "The Crossing Guard"
Produced and starred as "The Mouse", the true story of minor legend Bruce "The Mouse" Strauss, the ring's all-time greatest loser in knockouts; directed by Adams
Co-starred as Jeff Bridges' second-in-command in "White Squall"
Played vacuum cleaner salesman-serial killer in "American Strays"
Delivered a menacing turn as Kinski's boozing, war-ravaged, hot-headed husband in "Little Boy Blue"
Portrayed Ellen Barkin's abusive, alcoholic spouse who commits suicide in "Oprah Winfrey Presents: Before Women Had Wings" (ABC)
Appeared as a ranting and raging sergeant in Terrence Malick's "The Thin Red Line"; movie reunited him with Penn
Reteamed with Lee on "Summer of Sam", playing a photographer
Bridged the fifth and sixth seasons of UPN's "Star Trek: Voyager," playing Captain Ransom in the two-part episode <i>Equinox</i>
Delivered an over-the-top turn as Slater, the evil-to-the-core henchman of L.Q. Jones, in John Badham's "The Jack Bull" (HBO)
Had regular role on the Fox fall drama series "Dark Angel", executive produced by James Cameron
Played Henry 'Hack' Scudder in the HBO series, "Carnivàle"
Cast in the Terrence Malick-scripted drama "The New World"
Co-starred in "Downtown: A Street Tale," a drama about homeless teenagers