Made stage debut at age 12 as Artful Dodger in "Oliver!" at New Players Summerstock Theatre, New Jersey
Understudied three roles in Alberto Innaurato's "Coming of Age in Soho" at the New York Shakespeare Festival's Public Theatre
Appeared Off-Broadway in "Sally's Gone, She Left Her Name"; credited as Robert Leonard
Starred in "Brighton Beach Memoirs" in Ogunquit, Maine at age 17; made Broadway acting debut, reprising role as Eugene in "Brighton Beach Memoirs"
Feature acting debut, "The Manhattan Project"
Made stage musical debut in Playwrights Horizons workshop production of Stephen Sondheim's "Into the Woods" (date approximate)
Portrayed Christopher Morcum in Broadway production of "Breaking the Code"
First lead role in a feature, "My Best Friend Is a Vampire"
Delivered sensitive performance as the would-be actor driven to suicide by his father in Peter Weir's "Dead Poets Society"
Formed Malaparte. Theater Company (NYC) with, among others, "Dead Poets" pal Ethan Hawke
Appeared as Douglas Bridge, son of Paul Newman and Joanne Woodward, in Merchant-Ivory's "Mr & Mrs Bridge"
Earned Tony nomination for his performance in the Roundabout Theatre revival of "Candida"
Starred as jazz-obsessed German youth who must come to terms with rise of fascism in Nazi-era "Swing Kids" (met Kenneth Branagh)
Played Claudio (of Florence) in Branagh's "Much Ado About Nothing"
Acted in Martin Scorsese's "The Age of Innocence"
Had featured role in the Broadway production of Tom Stoppard's "Arcadia"
Portrayed sympathetic prison guard Henry Lesser who encourages 1920s serial killer Carl Panzram to write about his life in "Killer: A Journal of Murder"
Appeared in CBS "Hallmark Hall of Fame" adaptation of Off-Broadway play "The Boys Next Door"
Revisited Nazi era, this time as a young Nazi officer, in Billy Hopkins' "I Love You, I Love You Not"
Played a young man dying of AIDS who returns home in Christopher Reeve's directorial debut, "In the Gloaming" (HBO)
Appeared as Tom Wingfield in Baltimore production of "The Glass Menagerie"
Had featured role in Whit Stillman's "The Last Days of Disco"
Played pivotal role of Don Parritt in acclaimed Broadway revival of Eugene O'Neill's "The Iceman Cometh"
Cast as a naval investigator in the fact-based drama "A Glimpse of Hell" (FX Channel)
Had villainous role in "Driven"
Portrayed the young incarnation of A E Housman in Tom Stoppard's play "The Invention of Love"; earned Tony Award
Stepped into the title role of the hit revival of the Broadway musical "The Music Man" (August)
Appeared in the Broadway production of "The Violet Hour"
Cast as Dr. James Wilson on Fox's medical drama "House"