The 10th season of Law & Order premiered on NBC, September 22, 1999 alongside Law & Order: Special Victims Unit and ended May 24, 2000. Executive Producers René Balcer and Ed Sherin both left the show at the end of the season. This is the final season to feature Steven Hill as Adam Schiff, who was the last original cast member, to leave the series at the end of the 10th season.