Since 2012, Chicago Fire has led the One Chicago franchise, serving as both the initial series in the franchise and as the launching point for both Chicago P.D. and Chicago Med. Headlined by Jesse Spencer and Taylor Kinney, Chicago Fire has brought together numerous seasoned and rookie performers to make a show that feels authentic and full of heart. The show is one of Wolf Entertainment's most successful and elevates the whole One Chicago franchise.
Source：https://www.cbr.com/chicago-fire-cast-character-guide/
