Guest Stars Delaney Williams as Sgt. Jay Landsman Michael K. Williams as Omar Little Robert F. Chew as Joseph "Proposition Joe" Stewart Melanie Nicholls-King as Cheryl Method Man as Melvin "Cheese" Wagstaff Doug Olear as FBI Special Agent Terrence "Fitz" Fitzhugh Charley Scalies as Thomas "Horseface" Pakusa Luray Cooper as Nathaniel "Nat" Coxson Chris Ashworth as Sergei "Serge" Malatov Bill Raymond as The Greek Benay Berger as FBI Supervisor Amanda Reese Michael Potts as Brother Mouzone Kristin Proctor as Aimee Jeffrey Fugitt as Claude Diggins Lev Gorn as Eton Ben-Eleazer S. Robert Morgan as Butchie Ted Feldman as George "Double G" Glekas Toni Lewis as F.B.I. Agent Tom Mardirosian as Agent Kristos Koutris DeAndre McCullough as Lamar Tommy Hahn as FBI Special Agent Salmond Merritt Wever as Prissy Wes Johnson as Security Supervisor Co Starring Domenick Lombardozzi as Det. Thomas "Herc" Hauk Seth Gilliam as Det. Ellis Carver Jim True-Frost as Det. Roland "Prez" Pryzbylewski J.D. Williams as Preston "Bodie" Broadus Al Brown as Dep. Comm. for Admin. Stanislaus "Stan" Valchek Pablo Schreiber as Nickolas "Nick" Sobotka James Ransone as Chester "Ziggy" Sobotka