시즌 정규 출연진 8

1. 

   Taylor Kinney

   Kelly Severide

2. 

   David Eigenberg

   Christopher Herrmann

3. 

   Joe Miñoso

   Joe Cruz

4. 

   Christian Stolte

   Randy 'Mouch' McHolland

5. 

   Miranda Rae Mayo

   Stella Kidd

6. 

   Daniel Kyri

   Darren Ritter

7. 

   Hanako Greensmith

   Violet Mikami

8. 

   Eamonn Walker

   Wallace Boden

특별출연 17

1. 

   Dominic Rains

   Dr. Crockett Marcel

2. Anthony Ferraris

   Tony

3. 

   J. Nicole Brooks

   DC Gloria Hill

4. 

   Randy Flagler

   Capp

5. 

   Jake Lockett

   Sam Carver

6. 

   Rome Flynn

   Derrick Gibson

7. Wesam Keesh

   Paramedic Jared Lennox

8. 

   Laura Allen

   PFC Jude Robinson

9. 

   Torey Adkins

   Rob

10. James Barbee

    Biker

11. 

    Michael Christopher Collins

    Chief Adams

12. Carley Cornelius

    Director

13. Lydia Ellis-Curry

    Nurse

14. 

    Anastasia Kasimos

    Sasha

15. Steve McDonagh

    Charlie

16. Ryan Oliver

    Eddie

17. John Squires

    Doctor Landis

제작진 2