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 Hassan Johnson Roland "Wee-Bey" Brice Guest Star Michael B. Jordan Wallace Guest Star Richard DeAngelis Maj. Raymond Foerster Guest Star Michael Salconi Det. Michael "Sanny" Santangelo Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Nat Benchley Det. Augustus Polk Guest Star Al Brown Maj. Stanislaus Valchek Guest Star Tony D. Head Maj. Bobby Reed Guest Star Brandon Price Anton "Stinkum" Artis Guest Star Tray Chaney Malik "Poot" Carr Guest Star Doug Olear FBI Spec. Agent Terrance "Fitz" Fitzhugh Guest Star Wendy Grantham Shardene Innes Guest Star Peter Medak Director David Simon Writer Ed Burns Writer