Samuel Atkinson "Sam" Waterston (born November 15, 1940) is an American actor, producer and director. Among other roles, he is noted for his Academy Award-nominated portrayal of Sydney Schanberg in The Killing Fields (1984), and his Golden Globe-nominated 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." In January 2010, he received a star on the Hollywood Walk of Fame.