
Samuel Atkinson "Sam" Waterston (born November 15, 1940) is an American actor and occasional producer and director. Among other roles, he is noted for his Academy Award-nominated portrayal of Sydney Schanberg in 1984's The Killing Fields, and his Golden Globe- and Screen Actors Guild Award-winning portrayal of Jack McCoy on the NBC television series Law & Order. He has been nominated for multiple Golden Globe-, Screen Actors Guild-, BAFTA- and Emmy Awards, having starred in over eighty film and television productions during his forty-five year career. Allmovie has characterised Waterston as having "cultivated a loyal following with his quietly charismatic, unfailingly solid performances."
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Heaven's Gate
1980 · as Frank Canton

Miss Sloane
2016 · as George Dupont

Merchant Ivory
2024 · as Self

The Six Triple Eight
2024 · as Franklin Delano Roosevelt

The Killing Fields
1984 · as Sydney Schanberg

Capricorn One
1977 · as Lt. Col. Peter Willis

On the Basis of Sex
2018 · as Erwin Griswold

The Great Gatsby
1974 · as Nick Carraway

The Man in the Moon
1991 · as Matthew Trant

Hannah and Her Sisters
1986 · as David (uncredited)

Serial Mom
1994 · as Eugene Sutphin

Shadow Conspiracy
1997 · as The President

Crimes and Misdemeanors
1989 · as Ben

Anesthesia
2016 · as Prof. Walter Zarrow

Nixon
1995 · as Richard Helms

Interiors
1978 · as Mike

Fitzwilly
1967 · as Oliver

Le Divorce
2003 · as Chester Walker