Sam Waterston is an American actor. He’s since ventured into directing and producing. He’s been acting since the 1960s. The following decade, he starred in the TV film The Glass Menagerie and was nominated for an Emmy Award for Outstanding Supporting Actor. He next starred in the 1975 film The Great Gatsby and received a Golden Globe nomination. In 1984, his performance as Sydney Schanberg in The Killing Fields earned him an Academy Award nomination for Best Actor. In the 1990s, he starred in the NBC series I’ll Fly Away, winning the Golden Globe for Best Actor. From 1994 to 2010, he became best known for his role as Jack McCoy on the NBC series Law & Order.