Appeared as Polonius in the Shakespeare in the Park production of "Hamlet"
Appeared in Woody Allen's "Hannah and Her Sisters"
Co-starred in the Broadway comedy "Lunch Hour"
Featured as McCoy in "Exiled: A Law & Order Movie" (NBC)
Featured in "Hopscotch" and Michael Cimino's disastrous "Heaven's Gate"
Fourth film with Allen, "Crimes and Misdemeanors"
Made film debut in the unreleased feature "The Plastic Dome of Norma Jean"
Played Abraham Lincoln in the two-part NBC movie "Gore Vidal's Lincoln"; Mary Tyler Moore co-starred as Mary Todd Lincoln
Played physicist Quentin E. Deverill on the short-lived CBS adventure series "Q.E.D."
Played the U.S. President in the political thriller "Shadow Conspiracy"
Returned to the NYC stage to play Abraham Lincoln in a revival of Robert Sherwood's "Abe Lincoln in Illinois"; received a Tony nomination
Returned to TV-movies after five years to star opposite Carol Burnett and Ned Beatty in the acclaimed ABC drama "Friendly Fire"
Starred opposite Kathleen Widdoes in NYSF Central Park production of "Much Ado About Nothing"; later moved to Broadway (aired on CBS in 1974)
Starred with Robert Prosky in "A Walk in the Woods," a play dealing with arms negotiation between the U.S. and the USSR
Acted on Broadway in "Benefactors" alongside Glenn Close and Mary Beth Hurt
Co-starred in the period drama "The Man in the Moon," starring a young Reese Witherspoon
Co-starred with Kirstie Alley in the acclaimed TV-movie "David's Mother" (CBS)
Co-starred with Tuesday Weld in the TV-movie "Reflections on a Murder"
Feature film producing debut, "The Journey of August King"; also played small role
First came to attention in a major film "The Great Gatsby"; played the narrator Nick Carraway; initial film collaboration with Mia Farrow
Had featured role in the off-Broadway play "The Trial of the Catonsville Nine"
Made stage debut at age six as the Page in Jean Anouilh's "Antigone"; directed by his father
Made TV directorial debut with the "Since Walter" episode of "I'll Fly Away" (NBC)
Played physicist J. Robert Oppenheimer in the seven-part PBS miniseries "Oppenheimer"
Received a star on the Hollywood Walk of Fame
Starred in Kopit's play "Indians"
Acted in the features "Journey Into Fear" and "Dandy, the All American Girl"
Appeared in "Le divorce," starring Kate Hudson and Naomi Watts
Played title role in the feature "Sweet William"
Landed title role in the NYSF production of "Hamlet"
Joined the cast of the NBC drama series "Law & Order" as assistant district attorney Jack McCoy, replacing Michael Moriarty; in 2007, his character was promoted to New York district attorney, filling the slot vacated by Fred Thompson's Arthur Branch; earned Emmy (1997, 1999, 2000) nominations; series cancelled after 20 years on the air
Made first appearance in a Woody Allen film with a role in "Interiors"
Played the mild-mannered husband of Kathleen Turner's "Serial Mom"
Re-teamed with Allen for the film "September"
Starred as Dr. Karl Koster, a savior of Danish Jews during the Nazi's reign of terror in the fact-based TV-movie "Miracle at Midnight" (ABC)
Starred on the NBC drama series "I'll Fly Away"; received Emmy nominations in 1992 and 1993
Starred with son James Waterston in a production of "Long Day's Journey Into Night" at Syracuse Stage
Cast as Prince Hal in the NYSF productions of "Henry IV, Part I" and "Henry IV, Part II"
Co-starred in the NBC TV-movie "The Matthew Shepard Story" as the father of slain college student
Co-starred with Mary Tyler Moore and Robert Preston in the HBO romance "Finnegan Begin Again"
First appearance with the New York Shakespeare Festival (NYSF) in "As You Like It"
First appeared on television in "Camera Three" (CBS)
First released feature, "Fitzwilly"
Made Broadway debut in Arthur Kopit's "Oh Dad, Poor Dad, Mama's Hung You in the Closet and I'm Feelin' So Sad"
Made first TV-movie; played Tom in an adaptation of Tennessee Williams' "The Glass Menagerie" (ABC), starring Katharine Hepburn; garnered first Emmy nomination
Produced the Showtime TV-movie "A House Divided"; also co-starred as the plantation owner who fathered a biracial child
Received Best Actor Oscar nomination for his leading role as an American journalist in Cambodia in the feature film "The Killing Fields"
Returned to series television on Aaron Sorkin's drama series "The Newsroom" (HBO) as a network news executive