Law and Order’s Sam Waterston is stepping down as District Attorney Jack McCoy, it was revealed today.

Waterston, who has appeared in over 400 episodes of the hit NBC legal drama, first joined the show’s fourth season in 1994.

Since then the actor has been nominated for Emmy and Golden awards on multiple occasions, finally winning a SAG award for Outstanding Performance by a Male Actor in a Drama Series in 1999

Waterston’s last episode will air Feb. 22, 2024. The series airs Thursdays at 8 pm on NBC, and is currently in its 23rd season.

Meanwhile, Tony Goldwyn (Oppenheimer, Scandal), has been cast as the new district attorney.

Law and Order, which is averaging 6.4 million viewers this season (L+3), also stars Hugh Dancy, Camryn Manheim, Odelya Halevi, Mehcad Brooks and Reid Scott,. The series, known for its unique bifurcated format, examines “the police who investigate crime and the district attorneys who prosecute the offenders.”

Dick Wolf is creator and executive producer. Rick Eid, Pamela Wechsler, Alex Hall, Arthur Forney and Peter Jankowski also executive producers.

Law & Order is produced by Universal Television, a division of Universal Studio Group, in association with Wolf Entertainment.