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 Lawrence Gilliard Jr. D'Angelo Barksdale 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 Chad L. Coleman Dennis "Cutty" Wise Guest Star Jamie Hector Marlo Stanfield Guest Star Leo Fitzpatrick Johnny Weeks Guest Star Michael Hyatt Brianna Barksdale Guest Star Michael Potts Brother Mouzone Guest Star Anwan Glover Slim Charles Guest Star Christopher Mann Councilman Anthony "Tony" Gray Guest Star Cleo Reginald Pizana Chief of Staff Coleman Parker Guest Star Frederick Strother State Delegate Odell Watkins Guest Star Maria Broom Marla Daniels Guest Star Shamyl Brown Donette Guest Star Brandy Burre Theresa D'Agostino Guest Star Richard Burton Sean "Shamrock" McGinty Guest Star Dravon James Grace Sampson Guest Star Michael Willis Andy Krawczyk Guest Star Brandon Fobbs Fruit Guest Star Felicia Pearson Felicia "Snoop" Pearson Guest Star Ernest Waddell Dante Guest Star Brian Anthony Wilson Det. Vernon Holley Guest Star Gbenga Akinnagbe Chris Partlow Guest Star Melvin Jackson Jr. Bernard Guest Star Edward Green Spider Guest Star Michael Kostroff Maurice "Maury" Levy Guest Star Jay Landsman Lt. Dennis Mello Guest Star Marty Lodge Banisky Guest Star Ryan Sands Off. Lloyd "Truck" Garrick Guest Star Gregory L. Williams Det. Michael Crutchfield Guest Star Megan Anderson Jen Carcetti Guest Star Tray Chaney Malik "Poot" Carr Guest Star Richard DeAngelis Col. Raymond Foerster Guest Star Tony D. Head Col. Raymond Foerster Guest Star Ernest R. Dickerson Director David Simon Writer Ed Burns Writer