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 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 Chris Bauer Frank Sobotka Actor Paul Ben-Victor Spiros "Vondas" Vondopoulos Actor James Ransone Chester "Ziggy" Sobotka Actor Amy Ryan Off. Beatrice "Beadie" Russell Actor Pablo Schreiber Nick Sobotka Actor Al Brown Maj. Stanislaus Valchek Guest Star Melanie Nicholls-King Cheryl Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Chris Ashworth Sergei "Serge" Malatov Guest Star Luray Cooper Nathaniel "Nat" Coxson Guest Star Bill Raymond The Greek Guest Star Teddy Cañez George "Double G" Glekas Guest Star Elisabeth Noone Joan Sobotka Guest Star Charley Scalies Thomas "Horseface" Pakusa Guest Star Ed Bianchi Director David Simon Writer Ed Burns Writer