- as Lieutenant Matthew „Matt“ Casey
- as Detective Voight
- as Lieutenant Kelly Severide
- as Jose Vargas
- as Peter Mills
- as Otis
- as Gabriela „Gabby“ Dawson
- as Mouch
- as Leslie Elizabeth Shay
- as Detective Antonio Dawson
- as Chief Wallace Boden
- as Capp
- as Lieutenant Christopher Herrmann
- as Hadley
- as Hallie Thomas
- as Cindy Herrmann
- as Anna
- as Grogan
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