cast
Series Regulars
Jesse Spencer
as Lt. Matthew Casey
Taylor Kinney
as Lt. Kelly Severide
Eamonn Walker
as Chief Wallace Boden
Charlie Barnett
as Peter Mills
Monica Raymund
as Gabriela Dawson
David Eigenberg
as Christopher Herrmann
Lauren German
as Leslie Shay
Teri Reeves
as Hallie Thomas
Christian Stolte
as Randy “Mouch” McHolland
Dora Madison
as Jessica “Chili” Chilton
Joe Minoso
as Joe Cruz
Kara Killmer
as Sylvie Brett
Yuri Sardarov
as Brian “Otis” Zvonecek
Recurring & Guests
Jon Seda
as Detective Antonio Dawson
Jeff Hephner
as Jeff Clarke
Edwin Hodge
as Rick Newhouse
Melissa Ponzio
as Donna Robbins
Jason Beghe
as Detective Hank Voight
Treat Williams
as Benny Severide
Michelle Forbes
as Gail McLeod
Jesse Lee Soffer
as Jay Halstead
Sophia Bush
as Erin Lindsay
Brittany Curran
as Katie Nolan
Sarah Shahi
as Renée Royce
Daisy Betts
as Rebecca Jones
Vedette Lim
as Devon
Shiri Appleby
as Clarice
Mike Starr (II)
as Arthur
LaRoyce Hawkins
as Officer Kevin Atwater
Amy Morton
as Trudy Platt
Mena Suvari
as Isabella
Kenny Johnson
as Tommy Welch
Christine Evangelista
as Allison Rafferty
Marlyne Barrett
as Maggie Lockwood