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 Steve Earle Walon Guest Star Felicia Pearson Felicia "Snoop" Pearson Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Chris Ashworth Sergei "Serge" Malatov Guest Star Genevieve Hudson-Price Dee Dee Guest Star Frederick Strother State Delegate Odell Watkins 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 Sam Freed Executive Editor James C. Whiting III Guest Star Donald Neal Rewrite Man Jay Spry Guest Star Bobby J. Brown Off. Bobby Brown Guest Star Anthony Mangano Det. Kevin Infante Guest Star Gregory L. Williams Det. Michael Crutchfield Guest Star Bruce Kirkpatrick Roger Twigg Guest Star Thomas J. McCarthy State Editor Tim Phelps Guest Star Darrell Britt-Gibson Darius "O-Dog" Hill Guest Star Kwame Patterson "Monk" Metcalf Guest Star Ernest R. Dickerson Director David Simon Writer William F. Zorzi Writer