How ‘Chicago Fire’ Has Changed Jesse Spencer’s Life

Now in his ninth season starring on Chicago Fire, Jesse Spencer has learned a lot about what first responders go through regularly on the job. During his time on the show, he’s had the opportunity to talk with a lot of real-life Chicago firefighters, and he told us the stories he’s heard and lessons he’s learned have had a profound impact on him, both on and off the show.

Chicago Fire  returns with new episodes Wednesday March 10 at 9/8c on NBC.