Jerry Orbach Det. Lennie Briscoe Actor Jesse L. Martin Ed Green Actor S. Epatha Merkerson Lt. Anita Van Buren Actor Sam Waterston Exec. Asst. D.A. Jack McCoy Actor Elisabeth Röhm Serena Southerlyn Actor Fred Dalton Thompson Arthur Branch Actor John Doman Guest Star Craig Walker Guest Star Lizbeth MacKay Guest Star Leslie Hendrix Guest Star Drew McVety Guest Star J.K. Simmons Guest Star Tom Mason Guest Star Megan Byrne Guest Star John Cariani Guest Star Dick Wolf Executive Producer William M. Finkelstein Executive Producer Arthur Penn Executive Producer