Dominic West Det. James "Jimmy" McNulty Actor John Doman William A. Rawls Actor Idris Elba Russell "Stringer" Bell Actor Frankie Faison Comm. Ervin H. Burrell Actor Lawrence Gilliard Jr. D'Angelo Barksdale 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 Chris Bauer Frank Sobotka Actor Paul Ben-Victor Spiros "Vondas" Vondopoulos Actor James Ransone Chester "Ziggy" Sobotka Actor Amy Ryan Off. Beatrice "Beadie" Russell Actor Pablo Schreiber Nick Sobotka Actor Kristin Proctor Aimee Guest Star Callie Thorne Elena McNulty Guest Star Al Brown Maj. Stanislaus Valchek Guest Star Richard Burton Sean "Shamrock" McGinty Guest Star S. Robert Morgan Butchie Guest Star Charley Scalies Thomas "Horseface" Pakusa Guest Star Delaney Williams Sgt. Jay Landsman Guest Star Shamyl Brown Donette Guest Star Luray Cooper Nathaniel "Nat" Coxson Guest Star Michael Mack Special Agent Marcus Lemmel Guest Star Kevin Murray Special Agent Kleary Guest Star Ernest Waddell Dante Guest Star Kelli R. Brown Kimmy Guest Star Edwina Findley Tosha Mitchell Guest Star Keith Flippen Bruce DiBiago Guest Star Elodie Keene Director David Simon Writer Ed Burns Writer