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 Nick Chinlund Guest Star Michael Medieros Guest Star Robert Hogan Guest Star Keith Nobbs Guest Star Bess Wohl Guest Star Conan McCarty Guest Star Jonno Roberts Guest Star Thomas Schall Guest Star Chris McKinney Guest Star Dick Wolf Executive Producer William M. Finkelstein Executive Producer Arthur Penn Executive Producer