Russell 'Stringer' Bell

Sapper

Thomas 'Horseface' Pakusa

Det. Frank Barlow

Michael McNulty

Nick Sobotka

Reginald 'Bubbles' Cousins

Jen Carcetti

Squeak

Sean 'Shamrock' McGinty

Marla Daniels

Butchie

Bill Zorzi

FBI Supervisor Amanda Reese

Michael 'White Mike' McArdle

Savino Bratton

Herbert De'Rodd 'Puddin' Johnson

Malik 'Poot' Carr

Ricardo 'Fat Face Rick' Hendrix

Acting Commissioner William A. Rawls

Sean McNulty

Asst. State's Atty. Ilene Nathan

Col. Raymond Foerster

Det. Michael Crutchfield

Jamal

Maryland State Trooper

Andy Krawczyk

Asst. State's Atty. Rhonda Pearlman

Felicia 'Snoop' Pearson

George 'Double G' Glekas

Roland 'Wee-Bey' Brice