Dennis Farina Joe Fontana 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 Daniel Sunjata Guest Star Andrea Roth Guest Star Liza Colón-Zayas Guest Star John Benjamin Hickey Guest Star Leslie Hendrix Guest Star John Cariani Guest Star Anthony Grasso Guest Star Melody Cooper Guest Star Gary Cowling Guest Star Dick Wolf Executive Producer William M. Finkelstein Executive Producer Arthur Penn Executive Producer