Taylor Kinney
Kelly Severide (24 eps)
Jesse Spencer
Matthew 'Matt' Casey (24 eps)
David Eigenberg
Christopher Herrmann (24 eps)
Joe Miñoso
Joe Cruz (24 eps)
Christian Stolte
Randy 'Mouch' McHolland (24 eps)
Monica Raymund
Gabriela Dawson (24 eps)
Lauren German
Leslie Shay (24 eps)
Charlie Barnett
Peter Mills (24 eps)
Eamonn Walker
Wallace Boden (24 eps)
Yuriy Sardarov
Brian 'Otis' Zvonecek (24 eps)
Randy Flagler
Harold Capp (24 eps)
