Sam Waterston Returns To ‘Law & Order’, Will Reprise Jack McCoy Role In NBC Revival
District Attorney Jack McCoy is back. Sam Waterston, one of the longest-tenured Law & Order cast members, has closed a deal to reprise his beloved character in the upcoming 21st season of Dick Wolf’s venerable crime drama, which premieres Feb. 24 as part of a Law & Order Thursday lineup. This will mark Waterston’s 17th season on the show as DA McCoy.