Guest Stars Delaney Williams as Sgt. Jay Landsman Gbenga Akinnagbe as Chris Partlow Robert F. Chew as Joseph "Proposition Joe" Stewart Isiah Whitlock Jr. as State Sen. R. Clayton "Clay" Davis Michael Kostroff as Maurice "Maury" Levy Michael Salconi as Det. Michael Santangelo Eric G. Ryan as Sean McNulty Antonio Cordova as Sean McNulty Glynn Turman as Mayor Clarence V. Royce Richard Burton as Sean "Shamrock" McGinty Brandy Burre as Theresa "Terri" D'Agostino Leo Fitzpatrick as Johnny Benjamin Busch as Off. Anthony Colicchio Callie Thorne as Elena McNulty Michael Hyatt as Brianna Barksdale Cleo Reginald Pizana as Chief of Staff Coleman Parker Michael Willis as Andy Krawczyk Christopher Mann as Councilman Anthony "Tony" Gray Kelli R. Brown as Kimmy Ernest Waddell as Dante Mayo Best as Gerard Mike D. Anderson as Ghost Melvin Williams as Deacon Brandan T. Tate as Sapper Addison Switzer as Country Chester West as Shift Lieutenant Co Starring Jamie Hector as Marlo "Black" Stanfield Anwan Glover as Slim Charles Chad L. Coleman as Dennis "Cutty" Wise Richard DeAngelis as Ray Foerster
