The Law

Officer James "Jimmy" McNulty Played By Dominic West		Colonel Cedric Daniels Played By Lance Reddick		Detective Shakima "Kima" Greggs Played By Sonja Sohn
Detective William "Bunk" Moreland Played By Wendell Pierce		Detective Lester Freamon Played By Clarke Peters		Sergeant Ellis Carver Played By Seth Gilliam
Officer Thomas "Herc" Hauk Played By Domenick Lombardozzi		Detective Leander Sydnor Played By Corey Parker Robinson		Assistant State's Attorney Rhonda Pearlman Played By Deirdre Lovejoy
Police Commissioner Ervin H. Burrell Played By Frankie R. Faison		Deputy Commissioner for Operations William A. Rawls Played By John Doman		Detective Edward Norris Played By Ed Norris
Sergeant Jay Landsman Played By Delaney Williams		Deputy Commissioner for Admin. Stanislaus Valchek Played By Al Brown		Lieutenant Dennis Mello Played By Jay Landsman
Detective Vernon Holley Played By Brian Anthony Wilson		Detective Michael Crutchfield Played By Gregory Williams		Officer Beatrice "Beadie" Russell Played By Amy Ryan
Grand Jury Prosecutor Gary DiPasquale Played By Gary D'Addario		State's Attorney Rupert Bond Played By Dion Graham		Judge Daniel Phelan Played By Peter Gerety
Officer Kenneth Dozerman Played By Rick Otto		Officer Michael Santangelo Played By Michael Salconi		Officer Bobby Brown Played By Bobby Brown
Officer Anthony Colicchio Played By Benjamin Busch		Roland "Prez" Pryzbylewski Played By Jim True-Frost

	The Street

Omar Little Played By Michael K. Williams		Bubbles Played By Andre Royo		Marlo Stanfield Played By Jamie Hector
Chris Partlow Played By Gbenga Akinnagbe		Maurice "Maury" Levy Played By Michael Kostroff		Felicia "Snoop" Pearson Played By Felicia Pearson
Joe "Proposition Joe" Stewart Played By Robert F. Chew		Dennis "Cutty" Wise Played By Chad L. Coleman		Calvin "Cheese" Wagstaff Played By Method Man
Slim Charles Played By Anwan Glover		Preston "Bodie" Broadus Played By JD Williams		Kenard Played By Thuliso Dingwall
Roland "Wee-Bey" Brice Played By Hassan Johnson		Avon Barksdale Played By Wood Harris		D'Angelo Barksdale Played By Larry Gilliard, Jr.
Russell "Stringer" Bell Played By Idris Elba		Brother Mouzone Played By Michael Potts		Malik "Poot" Carr Played By Tray Chaney
Walon Played By Steve Earle		Butchie Played By S. Robert Morgan		Monk Played By Kwame Patterson

	The Port

Frank Sobotka Played By Chris Bauer		Nick Sobotka Played By Pablo Schreiber		Ziggy Played By James Ransone
Spiros "Vondas" Vondopoulos Played By Paul Ben Victor		Sergei "Serge" Malatov Played By Chris Ashworth		The Greek Played By Bill Raymond
Horseface Played By Charley Scalies