Agnieszka HollandDirector
Dominic WestDet. James "Jimmy" McNulty
John DomanWilliam A. Rawls
Frankie FaisonComm. Ervin H. Burrell
Wood HarrisAvon Barksdale
Domenick LombardozziDet. Thomas "Herc" Hauk
Deirdre LovejoyRhonda Pearlman
Wendell PierceDet. William "Bunk" Moreland
Lance ReddickLt. Cedric Daniels
Andre RoyoBubbles
Sonja SohnDet. Shakima "Kima" Greggs
J.D. WilliamsPreston "Bodie" Broadus
Seth GilliamSgt. Ellis Carver
Clarke PetersDet. Lester Freamon
Jim True-FrostDet. Roland "Prezbo" Pryzbylewski
Michael WilliamsOmar Little
Corey RobinsonDet. Leander Sydnor
Robert WisdomHoward "Bunny" Colvin
Aidan GillenThomas "Tommy" Carcetti
Jamie HectorMarlo Stanfield
Chad ColemanDennis "Cutty" Wise
Isiah Whitlock Jr.State Sen. R. Clayton "Clay" Davis
Glynn TurmanMayor Clarence V. Royce
Reg CatheyNorman Wilson
Jermaine CrawfordDuquan "Dukie" Weems
Maestro HarrellRandy Wagstaff
Julito McCullumNamond Brice
Tristan WildsMichael Lee
Gbenga AkinnagbeChris Partlow
Delaney WilliamsSgt. Jay Landsman
Anwan GloverSlim Charles
Felicia PearsonFelicia "Snoop" Pearson
Shamika CottonRaylene Lee
Cyrus FarmerDevar Manigault
Sandi McCreeDe'Londa Brice
Thuliso DingwallKenard
Stacie DavisMs. Duquette
Dan DeLucaDavid Parenti
Dravon JamesGrace Sampson
Boris McGiverLt. Charles Marimow
Benjamin BuschOff. Anthony Colicchio
Rick OttoOff. Kenneth Dozerman
Gregory WilliamsDet. Michael Crutchfield
Brian WilsonDet. Vernon Holley
Darrell Britt-GibsonDarius "O-Dog" Hill
Keenon BriceAaron "Bug" Manigault