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 Alexander Chaplin Guest Star Ritchie Coster Guest Star Mimi Lieber Guest Star Jordan Charney Guest Star Leslie Hendrix Guest Star Susan Floyd Guest Star Vanessa Liguori Guest Star Jill Dalton Guest Star Stephanie Berry Guest Star Dick Wolf Executive Producer William M. Finkelstein Executive Producer Arthur Penn Executive Producer