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 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 Marlyne Barrett Council President Nerese Campbell Guest Star Robert F. Chew Joseph "Proposition Joe" Stewart Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Felicia Pearson Felicia "Snoop" Pearson Guest Star Troj. Marquis Strickland Ricardo "Fat Face Rick" Hendrix Guest Star Anwan Glover Slim Charles Guest Star David Costabile Managing Editor Thomas Klebanow Guest Star Sam Freed Executive Editor James C. Whiting III Guest Star Dion Graham State's Attorney Rupert Bond Guest Star Bruce Kirkpatrick Roger Twigg Guest Star Jay Landsman Maj. Dennis Mello Guest Star Edward Norris Det. Edward Norris Guest Star Method Man Melvin "Cheese" Wagstaff Guest Star Joe Urla U.S. Attorney for the District of Maryland Guest Star Gregory L. Williams Det. Michael Crutchfield Guest Star Bobby J. Brown Off. Bobby Brown Guest Star Benjamin Busch Off. Anthony Colicchio Guest Star Rick Otto Off. Kenneth Dozerman Guest Star Ryan Sands Off. Lloyd "Truck" Garrick Guest Star Thomas J. McCarthy State Editor Tim Phelps Guest Star Donald Neal Rewrite Man Jay Spry Guest Star Robert Poletick Metro Editor Steven Luxenberg Guest Star Dennis Hill Det. Christeson Guest Star Joe Chappelle Director David Simon Writer Ed Burns Writer