- as Lieutenant Matthew „Matt“ Casey
- as Clarice
- as Lieutenant Kelly Severide
- as Otis
- as Joe Cruz
- as Peter Mills
- as Gabriela „Gabby“ Dawson
- as Mouch
- as Leslie Elizabeth Shay
- as Elise Mills
- as Chief Wallace Boden
- as Leon Cruz
- as Lieutenant Christopher Herrmann
- as Cindy Herrmann
- as Hallie Thomas
- as Capp
- as Amanda
- as Uncle Brad
- as Anna
- as Hadley
- as Jenkins
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