Dominic West Det. James "Jimmy" McNulty Actor John Doman William A. Rawls Actor Idris Elba Russell "Stringer" Bell Actor Frankie Faison Comm. Ervin H. Burrell Actor Wood Harris Avon Barksdale Actor Domenick Lombardozzi Det. Thomas "Herc" Hauk Actor Deirdre Lovejoy Rhonda Pearlman Actor Wendell Pierce Det. William "Bunk" Moreland Actor Lance Reddick Lt. Cedric Daniels Actor Andre Royo Bubbles Actor Sonja Sohn Det. Shakima "Kima" Greggs Actor J.D. Williams Preston "Bodie" Broadus Actor Seth Gilliam Sgt. Ellis Carver Actor Clarke Peters Det. Lester Freamon Actor Jim True-Frost Det. Roland "Prezbo" Pryzbylewski Actor Michael Kenneth Williams Omar Little Actor Corey Parker Robinson Det. Leander Sydnor Actor Aidan Gillen Thomas "Tommy" Carcetti Actor Robert Wisdom Howard "Bunny" Colvin Actor Glynn Turman Mayor Clarence V. Royce Guest Star Peter Gerety Judge Daniel Phelan Guest Star Chad L. Coleman Dennis "Cutty" Wise Guest Star Anwan Glover Slim Charles Guest Star Brandy Burre Theresa D'Agostino Guest Star Leo Fitzpatrick Johnny Weeks Guest Star Michael Potts Brother Mouzone Guest Star Robert F. Chew Joseph "Proposition Joe" Stewart Guest Star Michael Kostroff Maurice "Maury" Levy Guest Star Cleo Reginald Pizana Chief of Staff Coleman Parker Guest Star Frederick Strother State Delegate Odell Watkins Guest Star R. Emery Bright Community Relations Sgt. Guest Star Tony D. Head Maj. Bobby Reed Guest Star Doug Olear FBI Spec. Agent Terrance "Fitz" Fitzhugh Guest Star Michael Willis Andy Krawczyk Guest Star Edward Green Spider Guest Star Joilet Harris Off. Caroline Massey Guest Star Joe Chappelle Director David Simon Writer George Pelecanos Writer Karen L. Thorson Producer