Main Characters Sergeant Hank Voight 228 main appearances Officer Kevin Atwater 226 main appearances Officer Adam Ruzek 223 main appearances Officer Kim Burgess 222 main appearances Desk Sergeant Trudy Platt 180 main appearances Detective Jay Halstead 190 main appearances Detective Hailey Upton 135 main appearances Detective Antonio Dawson 113 main appearances Detective Alvin Olinsky 106 main appearances Detective Erin Lindsay 84 main appearances Officer Sean Roman 46 main appearances Officer Dante Torres 35 main appearances Officer Vanessa Rojas 17 main appearances Detective Sheldon Jin 15 main appearances Officer Kiana Cook 5 main appearances
Recurring Guest Characters Desk Sergeant Trudy Platt 14 guest appearances Detective Hailey Upton 3 guest appearances Detective Alvin Olinsky 1 guest appearances Officer Sean Roman 1 guest appearances Officer Dante Torres 1 guest appearances Craig "Mouse" Gurwitch 35 guest appearances Assistant State's Attorney Steve Kot 19 guest appearances Officer Vanessa Rojas 2 guest appearances Makayla Burgess 19 guest appearances Nadia Decotis 18 guest appearances Barbara "Bunny" Fletcher 17 guest appearances Dr. Will Halstead 17 guest appearances Commander Emma Crowley 16 guest appearances Medical Examiner Cooper 14 guest appearances Battalion Chief Wallace Boden 14 guest appearances Commander Fischer 14 guest appearances Denny Woods 14 guest appearances Lieutenant Christopher Herrmann 13 guest appearances Medical Examiner Ruth Dwyer 13 guest appearances ASA Nina Chapman 12 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥