Dominic West Det. James "Jimmy" McNulty Actor John Doman William A. Rawls 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 Robert Wisdom Howard "Bunny" Colvin Actor Aidan Gillen Thomas "Tommy" Carcetti Actor Jamie Hector Marlo Stanfield Actor Chad L. Coleman Dennis "Cutty" Wise Actor Isiah Whitlock Jr. State Sen. R. Clayton "Clay" Davis Actor Glynn Turman Mayor Clarence V. Royce Actor Reg E. Cathey Norman Wilson Guest Star Tom McCarthy Scott Templeton Guest Star Gbenga Akinnagbe Chris Partlow Guest Star Neal Huff Chief of Staff Michael Steintorf Guest Star Jermaine Crawford Duquan "Dukie" Weems Guest Star Mack Wilds Michael Lee Guest Star Michael Kostroff Maurice "Maury" Levy Guest Star Michelle Paress Alma Gutierrez Guest Star Amy Ryan Off. Beatrice "Beadie" Russell Guest Star Tray Chaney Malik "Poot" Carr Guest Star Felicia Pearson Felicia "Snoop" Pearson Guest Star Marlyne Barrett Council President Nerese Campbell Guest Star Megan Anderson Jen Carcetti Guest Star Benay Berger FBI Supervisor Amanda Reese Guest Star Doug Olear FBI Spec. Agent Terrance "Fitz" Fitzhugh Guest Star Joe Urla U.S. Attorney for the District of Maryland Guest Star David Costabile Managing Editor Thomas Klebanow Guest Star Brandon Young Mike Fletcher Guest Star Michael Stone Forrest Det. Frank Barlow Guest Star Edward Norris Det. Edward Norris Guest Star Gregory L. Williams Det. Michael Crutchfield Guest Star Bobby J. Brown Off. Bobby Brown Guest Star Rick Otto Off. Kenneth Dozerman Guest Star Ryan Sands Off. Lloyd "Truck" Garrick Guest Star Donald Neal Rewrite Man Jay Spry Guest Star Robert Poletick Metro Editor Steven Luxenberg Guest Star Robert G. McKay Rep. Albert Upshaw Guest Star Keenon Brice Aaron "Bug" Manigault Guest Star Aubrey Deeker Terry Hanning Guest Star Thuliso Dingwall Kenard Guest Star Russ Widdall Ron Lowenthal Guest Star Joe Inscoe FBI Deputy Director Arthur Tolan Guest Star Paul Morella FBI Profiler Guest Star Dennis Hill Det. Christeson Guest Star Clark Johnson Actor Anthony Hemingway Director David Simon Writer Dennis Lehane Writer Joe Chappelle Director Karen L. Thorson Producer