Main Characters Firefighter Joe Cruz 228 main appearances Firefighter Randy "Mouch" McHolland 227 main appearances Lieutenant Christopher Herrmann 249 main appearances Deputy District Chief Wallace Boden 249 main appearances Lieutenant Kelly Severide 242 main appearances Matthew Casey 200 main appearances Paramedic Sylvie Brett 192 main appearances Lieutenant Stella Kidd 154 main appearances Firefighter Brian "Otis" Zvonecek 137 main appearances Gabriela Dawson 138 main appearances Darren Ritter 72 main appearances Blake Gallo 67 main appearances Paramedic Violet Mikami 55 main appearances Peter Mills 66 main appearances Paramedic Leslie Shay 46 main appearances Paramedic Emily Foster 37 main appearances Jimmy Borrelli 19 main appearances Paramedic Jessica "Chili" Chilton 14 main appearances Dr. Hallie Thomas 7 main appearances Paramedic Gianna Mackey 9 main appearances
Recurring Guest Characters Passer-By 1 guest appearances Maddy 1 guest appearances Georgia Armstrong 1 guest appearances "Chloe" 1 guest appearances Dennis Mejia 1 guest appearances Brooke Katz 1 guest appearances Ethan 1 guest appearances Jacob 1 guest appearances Detective Navarro 1 guest appearances Hank 1 guest appearances Lorenzo 1 guest appearances Carl 1 guest appearances Rhonda 1 guest appearances Michele 1 guest appearances Jo Ann 1 guest appearances Amanda 1 guest appearances Omar 1 guest appearances Lt. Palley 1 guest appearances Lt. Stevenson 1 guest appearances Nurse Trini 1 guest appearances ⇤ « 119 120 121 122 123 124 125 126 127 128 » ⇥