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 Steven R. Schirripa Guest Star John Viscardi Guest Star Lee Wilkof Guest Star Michael Bloomberg Guest Star Peter McRobbie Guest Star Doug Stender Guest Star John Jellison Guest Star Julia Murney Guest Star Dick Wolf Executive Producer William M. Finkelstein Executive Producer Arthur Penn Executive Producer