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 Peter Gerety Judge Daniel Phelan Guest Star Amy Ryan Off. Beatrice "Beadie" Russell Guest Star Paul Ben-Victor Spiros "Vondas" Vondopoulos Guest Star Bill Raymond The Greek Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Marlyne Barrett Council President Nerese Campbell Guest Star Steve Earle Walon Guest Star Ptolemy Slocum Business Card Homeless Man Guest Star Maria Broom Marla Daniels Guest Star David Costabile Managing Editor Thomas Klebanow Guest Star Sam Freed Executive Editor James C. Whiting III Guest Star Anwan Glover Slim Charles Guest Star Hassan Johnson Roland "Wee-Bey" Brice Guest Star Method Man Melvin "Cheese" Wagstaff Guest Star Dion Graham State's Attorney Rupert Bond Guest Star Thomas J. McCarthy State Editor Tim Phelps Guest Star Robert Poletick Metro Editor Steven Luxenberg Guest Star Michael Willis Andy Krawczyk Guest Star Donald Neal Rewrite Man Jay Spry Guest Star Brandon Young Mike Fletcher Guest Star Al Brown Commissioner Stanislaus Valchek Guest Star Edward Norris Det. Edward Norris Guest Star Michael Salconi Off. Michael "Sanny" Santangelo Guest Star Brian Anthony Wilson Det. Vernon Holley Guest Star Megan Anderson Jen Carcetti Guest Star Benay Berger FBI Supervisor Amanda Reese Guest Star Eisa Davis Bubbles' Sister Guest Star Susan Duvall Assistant Principal Marcia Donnelly Guest Star Wendy Grantham Shardene Innes Guest Star Bobby J. Brown Off. Bobby Brown Guest Star Dennis Hill Det. Christeson Guest Star Doug Olear FBI Spec. Agent Terrance "Fitz" Fitzhugh Guest Star Rick Otto Off. Kenneth Dozerman Guest Star Gregory L. Williams Det. Michael Crutchfield Guest Star Thuliso Dingwall Kenard Guest Star Edward Green Spider Guest Star Kwame Patterson "Monk" Metcalf Guest Star Stephen Schnetzer Robert Ruby Guest Star Sho Brown Phil Boy Guest Star Troj. Marquis Strickland Ricardo "Fat Face Rick" Hendrix Guest Star Chris Kies Petey Guest Star Jeff Wincott Johnny Weaver Guest Star Clark Johnson Director David Simon Writer Ed Burns Writer