- as Sylvie Brett
- as Christopher Herrmann
- as Lieutenant Matthew „Matt“ Casey
- as Lieutenant Kelly Severide
- as Jessica Chilton
- as Brian Zvonecek
- as Gabriela „Gabby“ Dawson
- as Joe Cruz
- as Randall McHolland
- as Chief Wallace Boden
- as Jamie Killian
- as Dallas Patterson
- as Jimmy Borelli
- as Chief Ray Riddle
- as Capp
- as Sean Roman
- as Dr. Will Halstead
- as Dr. Daniel Charles
- as Roger Maddox
- as Tony
- as Connie
- as Dispatcher (Voice)
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