- as Lieutenant Matthew „Matt“ Casey
- as Wallace Boden, Sr.
- as Lieutenant Kelly Severide
- as Adrian Gish
- as Rick Newhouse
- as Peter Mills
- as Captain Lynette Cunningham
- as Gabriela „Gabby“ Dawson
- as Chief Wallace Boden
- as Megan Shay
- as Lieutenant Christopher Herrmann
- as Capp
- as Brian „Otis“ Zvonecek
- as Kim Burgess
- as Randy „Mouch“ McHolland
- as Sean Roman
- as Joe Cruz
- as Antonio Dawson
- as Sylvie Brett
- as Hadley
- as Tony
- as Marvin Watkins
- as Dispatcher (Voice)
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