- 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 Jack Nesbitt
- as Jamie Killian
- as Dallas Patterson
- as Jimmy Borelli
- as Chief Ray Riddle
- as Capp
- as Trudy Platt
- as April Sexton
- as Hank Voight
- as Tony
- as Connie
- as Agent Conway
- as IA Officer Fitzgerald
- as Armored Car Driver
- as Katya (Archive footage)
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