Samuel Atkinson Waterston is an American actor, producer, and director. Among other roles, he is noted for his portrayal of Sydney Schanberg in The Killing Fields (1984), for which he received an Academy Award nomination, and his starring role as Jack McCoy on the NBC television series Law & Order (1994–2010) and Law & Order: Special Victims Unit, which brought him Golden Globe and Screen Actors Guild Awards. 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 fifty-year career. He has also starred in numerous stage productions. AllMovie historian Hal Erickson characterized Waterston as having "cultivated a loyal following with his quietly charismatic, unfailingly solid performances."