Why Each 'Chicago Fire' Actor Left the Show: Every Exit Explained, From First to Most Recent

Chicago Fire is one of the most successful shows on NBC and it led to the inception of the Chicago franchise on the network.

A bunch of the show’s series regular actors from the past 12 years have already left the show and we’re recapping all the departed stars, from first to most recent. We’re also explaining the decision behind each exit, including whether it was a creative decision or because an actor wanted to leave.

Chicago Fire looks into the professional and personal lives...