Dominic West (Detective James 'Jimmy' McNulty), John Doman (Deputy Commissioner for Operations William A. Rawls), Idris Elba (Stringer Bell), Frankie Faison (Commissioner Ervin H. Burrell), Aidan Gillen (Tommy Carcetti), Wood Harris (Avon Barksdale), Deirdre Lovejoy (A.S.A. Rhonda Pearlman), Clarke Peters (Detective Lester Freamon), Wendell Pierce (Detective William 'Bunk' Moreland), Lance Reddick (Lieutenant Cedric Daniels)