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 Tovah Feldshuh Guest Star Graham Winton Guest Star Michael Mulheren Guest Star Garret Dillahunt Guest Star Chris Diamantopoulos Guest Star Michael Louis Wells Guest Star John Cariani Guest Star David Rosenbaum Guest Star Iris Little-Thomas Guest Star Dick Wolf Executive Producer William M. Finkelstein Executive Producer Arthur Penn Executive Producer