- as Erin Lindsay
- as Lieutenant Matthew „Matt“ Casey
- as Lieutenant Kelly Severide
- as Tommy Welch
- as Peter Mills
- as Donna Robbins
- as Gabriela „Gabby“ Dawson
- as Rick Newhouse
- as Chief Wallace Boden
- as Capp
- as Lieutenant Christopher Herrmann
- as Ingrid Mills
- as Brian „Otis“ Zvonecek
- as Naomi
- as Randy „Mouch“ McHolland
- as Rodger
- as Dispatcher (Voice)
- as Joe Cruz
- as Sylvie Brett
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