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 Callie Thorne Elena McNulty Guest Star Isiah Whitlock Jr. State Sen. R. Clayton "Clay" Davis Guest Star Glynn Turman Mayor Clarence V. Royce Guest Star Chad L. Coleman Dennis "Cutty" Wise Guest Star Jamie Hector Marlo Stanfield Guest Star Michael Hyatt Brianna Barksdale Guest Star Leo Fitzpatrick Johnny Weeks Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Kelli R. Brown Kimmy Guest Star Benjamin Busch Off. Anthony Colicchio Guest Star Robert F. Chew Joseph "Proposition Joe" Stewart Guest Star Jay Landsman Lt. Dennis Mello Guest Star Ernest Waddell Dante Guest Star Richard Burton Sean "Shamrock" McGinty Guest Star Anwan Glover Slim Charles Guest Star Brandy Burre Theresa D'Agostino Guest Star Richard DeAngelis Col. Raymond Foerster Guest Star Christopher Mann Councilman Anthony "Tony" Gray Guest Star Cleo Reginald Pizana Chief of Staff Coleman Parker Guest Star Michael Salconi Off. Michael "Sanny" Santangelo Guest Star Antonio Cordova Michael McNulty Guest Star Michael Kostroff Maurice "Maury" Levy Guest Star Melvin Williams Deacon Guest Star Michael Willis Andy Krawczyk Guest Star Dan Attias Director David Simon Writer Ed Burns Writer