Joe Miñosoas Joe Cruz
Christian Stolteas Randy "Mouch" McHolland
David Eigenbergas Christopher Herrmann
Taylor Kinneyas Kelly Severide
Eamonn Walkeras Deputy Commissioner Wallace Boden
Jesse Spenceras Captain Matthew Casey
Kara Killmeras Paramedic Sylvie Brett
Miranda Rae Mayoas Stella Kidd
Yuri Sardarovas Firefighter Brian "Otis" Zvonecek
Monica Raymundas Firefighter/Paramedic Gabriela Dawson
Daniel Kyrias Darren Ritter
Hanako Greensmithas Violet Mikami
Alberto Rosendeas Firefighter Blake Gallo
Charlie Barnettas Firefighter/Paramedic Peter Mills
Jake Lockettas Sam Carver
Lauren Germanas Paramedic Leslie Shay
Annie Ilonzehas Paramedic Emily Foster
Steven R. McQueenas Paramedic Jimmy Borrelli
Jocelyn Hudonas Lizzy Novak
Dermot Mulroneyas Chief Dom Pascal
Dora Madison Burgeas Paramedic Jessica "Chili" Chilton
Teri Reevesas Dr. Hallie Thomas
