Samuel Atkinson "Sam" Waterston is an American actor, producer and director. Among other roles, he is noted for his portrayal of Sydney Schanberg in 'The Killing Fields' , for which he received an Academy Award nomination, and his starring role as Jack McCoy on the long-running NBC television series 'Law & Order' , which brought him Golden Globe and Screen Actors Guild Awards. Wikipedia*
On the C-SPAN Networks:
Sam Waterston has nine videos in the C-SPAN Video Library; the first appearance was a 1992 House Committee. The year with the highest average number of views per program was 2010 with an average of 9,734 views per program. Most appearances with Harold Holzer (5). Most common tag: Lincoln, Abraham.