Main Characters
![Firefighter Joe Cruz](https://static.tvmaze.com/uploads/images/medium_portrait/360/901831.jpg)
Firefighter Joe Cruz
228 main appearances![Firefighter Randy "Mouch" McHolland](https://static.tvmaze.com/uploads/images/medium_portrait/360/901828.jpg)
Firefighter Randy "Mouch" McHolland
227 main appearances![Lieutenant Christopher Herrmann](https://static.tvmaze.com/uploads/images/medium_portrait/360/901833.jpg)
Lieutenant Christopher Herrmann
249 main appearances![Deputy District Chief Wallace Boden](https://static.tvmaze.com/uploads/images/medium_portrait/360/901832.jpg)
Deputy District Chief Wallace Boden
249 main appearances![Lieutenant Kelly Severide](https://static.tvmaze.com/uploads/images/medium_portrait/360/901830.jpg)
Lieutenant Kelly Severide
242 main appearances![Matthew Casey](https://static.tvmaze.com/uploads/images/medium_portrait/360/901829.jpg)
Matthew Casey
200 main appearances![Paramedic Sylvie Brett](https://static.tvmaze.com/uploads/images/medium_portrait/360/901834.jpg)
Paramedic Sylvie Brett
192 main appearances![Lieutenant Stella Kidd](https://static.tvmaze.com/uploads/images/medium_portrait/422/1055773.jpg)
Lieutenant Stella Kidd
154 main appearances![Firefighter Brian "Otis" Zvonecek](https://static.tvmaze.com/uploads/images/medium_portrait/127/319329.jpg)
Firefighter Brian "Otis" Zvonecek
137 main appearances![Gabriela Dawson](https://static.tvmaze.com/uploads/images/medium_portrait/127/319330.jpg)
Gabriela Dawson
138 main appearances![Darren Ritter](https://static.tvmaze.com/uploads/images/medium_portrait/360/901836.jpg)
Darren Ritter
72 main appearances![Blake Gallo](https://static.tvmaze.com/uploads/images/medium_portrait/360/901837.jpg)
Blake Gallo
67 main appearances![Paramedic Violet Mikami](https://static.tvmaze.com/uploads/images/medium_portrait/422/1055772.jpg)
Paramedic Violet Mikami
55 main appearances![Peter Mills](https://static.tvmaze.com/uploads/images/medium_portrait/128/320538.jpg)
Peter Mills
66 main appearances![Paramedic Leslie Shay](https://static.tvmaze.com/uploads/images/medium_portrait/128/320535.jpg)
Paramedic Leslie Shay
46 main appearances![Paramedic Emily Foster](https://static.tvmaze.com/uploads/images/medium_portrait/269/674431.jpg)
Paramedic Emily Foster
37 main appearances![Jimmy Borrelli](https://static.tvmaze.com/uploads/images/medium_portrait/128/320533.jpg)
Jimmy Borrelli
19 main appearances![Paramedic Jessica "Chili" Chilton](https://static.tvmaze.com/uploads/images/medium_portrait/128/320531.jpg)
Paramedic Jessica "Chili" Chilton
14 main appearances![Dr. Hallie Thomas](https://static.tvmaze.com/uploads/images/medium_portrait/128/320529.jpg)
Dr. Hallie Thomas
7 main appearances![Paramedic Gianna Mackey](https://static.tvmaze.com/uploads/images/medium_portrait/300/751212.jpg)