- as Lieutenant Matthew „Matt“ Casey
- as Otis
- as Lieutenant Kelly Severide
- as Joe Cruz
- as Mouch
- as Peter Mills
- as Gabriela „Gabby“ Dawson
- as Jeff Clarke
- as Leslie Elizabeth Shay
- as Rebecca Jones
- as Chief Wallace Boden
- as Allison Rafferty
- as Lieutenant Christopher Herrmann
- as Donna Robbins
- as Katie Nolan
- as Capp
- as Dr. Kendra
- as Kenny Bloomfeld
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