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 Jermaine Crawford Duquan "Dukie" Weems Guest Star Maestro Harrell Randy Wagstaff Guest Star Julito McCullum Namond Brice Guest Star Mack Wilds Michael Lee Guest Star Gbenga Akinnagbe Chris Partlow Guest Star Anwan Glover Slim Charles Guest Star Tray Chaney Malik "Poot" Carr Guest Star Nathan Corbett Donut Guest Star Thuliso Dingwall Kenard Guest Star Shamika Cotton Raylene Lee Guest Star Cyrus Farmer Devar Manigault Guest Star Sandi McCree De'Londa Brice Guest Star Marlyne Barrett Council President Nerese Campbell Guest Star Stacie Davis Ms. Duquette Guest Star Dan DeLuca David Parenti Guest Star Susan Duvall Assistant Principal Marcia Donnelly Guest Star Dravon James Grace Sampson Guest Star Richard Hidlebird Principal Claudell Withers Guest Star Jay Landsman Lt. Dennis Mello Guest Star Ramón Rodríguez Renaldo Guest Star Franklin Ojeda Smith Minister Guest Star Felicia Pearson Felicia "Snoop" Pearson Guest Star Katherine Schmoke Miss Mason Guest Star Benjamin Busch Off. Anthony Colicchio Guest Star Boris McGiver Lt. Charles Marimow Guest Star Rick Otto Off. Kenneth Dozerman Guest Star Michael Salconi Off. Michael "Sanny" Santangelo Guest Star Ernest R. Dickerson Director Ed Burns Writer Eric Ellis Overmyer Writer