Taylor Kinney as Kelly Severide
Eamonn Walker as Wallace Boden
Kara Killmer as Sylvie Brett
Miranda Rae Mayo as Stella Kidd
Hanako Greensmith as Violet Mikami
David Eigenberg as Christopher Herrmann
Joe MiƱoso as Joe Cruz
Christian Stolte as Randy 'Mouch' McHolland
Alberto Rosende as Blake Gallo
Daniel Kyri as Darren Ritter
Jesse Spencer as Matthew Casey
Monica Raymund as Gabriela Dawson
Yuri Sardarov as Brian 'Otis' Zvonecek
Dora Madison as Jessica 'Chili' Chilton
Steven R. McQueen as Jimmy Borelli
Annie Ilonzeh as Emily Foster
Lauren German as Leslie Shay
Charlie Barnett as Peter Mills
Adriyan Rae as Gianna Mackey
Randy Flagler as Harold Capp
Anthony Ferraris as Tony
Melissa Ponzio as Donna Robbins-Boden
Robyn Coffin as Cindy Herrmann
Teri Reeves as Hallie Thomas
Jimmy Nicholas as Evan Hawkins
Andy Allo as Wendy Seager
Jake Lockett as Sam Carver