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 Leo Fitzpatrick Johnny Weeks Guest Star Hassan Johnson Roland "Wee-Bey" Brice Guest Star Steve Earle Walon Guest Star Michael B. Jordan Wallace Guest Star Maria Broom Marla Daniels Guest Star Michael Salconi Det. Michael "Sanny" Santangelo Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Tray Chaney Malik "Poot" Carr Guest Star Clayton LeBouef Wendell "Orlando" Blocker Guest Star Brandon Price Anton "Stinkum" Artis Guest Star Donnell Rawlings Damien "Day-Day" Price Guest Star Lizan Mitchell Shooting Witness Guest Star Robin Skye Madam LaRue Guest Star Joe Chappelle Director David Simon Writer Ed Burns Writer