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 Callie Thorne Elena McNulty Guest Star Chad L. Coleman Dennis "Cutty" Wise Guest Star Jamie Hector Marlo Stanfield Guest Star Tray Chaney Malik "Poot" Carr Guest Star Hassan Johnson Roland "Wee-Bey" Brice Guest Star Method Man Melvin "Cheese" Wagstaff Guest Star Maria Broom Marla Daniels Guest Star Joilet Harris Off. Caroline Massey Guest Star Leo Fitzpatrick Johnny Weeks Guest Star Al Brown Maj. Stanislaus Valchek Guest Star Jay Landsman Lt. Dennis Mello Guest Star Edward Norris Det. Edward Norris Guest Star Richard Burton Sean "Shamrock" McGinty Guest Star Brandon Fobbs Fruit Guest Star Anwan Glover Slim Charles Guest Star De'Rodd Hearns Herbert De'Rodd "Puddin" Johnson Guest Star Antonio Cordova Michael McNulty Guest Star Tony D. Head Maj. Bobby Reed Guest Star Benjamin Busch Off. Anthony Colicchio Guest Star Christopher Mann Councilman Anthony "Tony" Gray Guest Star Frederick Strother State Delegate Odell Watkins Guest Star Cleo Reginald Pizana Chief of Staff Coleman Parker Guest Star Ed Bianchi Director David Simon Writer Ed Burns Writer