Dermot Mulroney has officially ended his time on Chicago Fire after 2 beloved seasons. Read on for more details.

Here’s what we know about ‘Chicago Fire’ Season 15, including premiere date, cast, the biggest departures and how to watch.

Matthew Daddario, best known as Alec Lightwood on Shadowhunters and previous stints in Blue Bloods and Why Women Kill, joined ...

Two more cast members are leaving the NBC drama in season 15, which premieres October 7. Dermot Mulroney, who plays Chief Dom ...

Plus, what's next after the cliffhanger and in Vasquez's love life?

Larracuente is returning for season 15 of “Chicago Fire.” Also reprising their roles are Taylor Kinney (Kelly Severide), David Eigenberg (Christopher Herrmann), Christian Stolte (Randall “Mouch” ...

Some fresh faces are reporting for duty in the Windy City. As OneChicago fans are surely aware, the teams of Chicago Fire, Chicago Med and Chicago P.D. will look quite different when the NBC series ...

Prepare to see some changes when "Chicago Fire" returns this week. The NBC series will see multiple exits amid its 15th season, set to premiere Oct. 7. The departures include one actor who has been ...

Major drama for the cast of Chicago Fire! Ahead of the 15th season set to premiere on October 7, NBC has revealed more details about what series fans should expect. After all, a show that has lasted ...

The NBC procedural “Chicago Fire” is losing an original cast member. Joe Miñoso, who has played Joe Cruz since season 1, is leaving “Chicago Fire,” multiple outlets reported on Wednesday, July 29.

Since Chicago Fire 's 2012 premiere, Stolte has played Randall "Mouch" McHolland, who's married to Chicago P.D. 's Trudy ...