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 Neko Parham State Police Undercover Troy Wiggins Guest Star Steve Earle Walon Guest Star Michael B. Jordan Wallace Guest Star Wendy Grantham Shardene Innes Guest Star Clayton LeBouef Wendell "Orlando" Blocker Guest Star Melanie Nicholls-King Cheryl Guest Star Michael Salconi Det. Michael "Sanny" Santangelo Guest Star Chris Clanton Savino Bratton Guest Star Richard DeAngelis Maj. Raymond Foerster Guest Star Michael Kostroff Maurice "Maury" Levy Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Isiah Whitlock Jr. State Sen. R. Clayton "Clay" Davis Guest Star Brad Anderson Director David Simon Writer Ed Burns Writer