Severide is the Lieutenant at Firehouse 51 and the officer in charge of Squad 3. Taylor Kinney as Lieutenant Kelly Severide, Rescue Squad 3.In the tenth-season episode “Two Hundred”, Casey moves to Oregon to take care of Andrew Darden's sons, but is maintaining a long-distance relationship with Brett. In the ninth-season finale 'No Survivors'. In the sixth-season episode 'An Even Bigger Surprise', he is promoted to Captain by Chief Boden. Hallie Thomas in season one and from seasons five to seven, was married to Gabriela Dawson. Despite his reticence and aloof demeanor, he is fiercely protective of the firefighters under him and commands their loyalty and respect. He is civic-minded and becomes an elected Alderman to further serve the city. A skilled handyman and carpenter, he freelances as a construction contractor when off-duty. He serves as second in command to Battalion Chief Wallace Boden. Casey is the Lieutenant at Firehouse 51 and the officer in charge of Truck Company 81. Jesse Spencer as Lieutenant Matthew Casey, Truck Company 81 (seasons 1–10 ).Main article: List of Chicago Fire characters Main
