Renewal, Cast, Story & Everything We Know


  • Chicago Fire season 12 has been renewed, proving the show’s enduring popularity and potential for more thrilling episodes.
  • Due to the WGA and SAG-AFTRA strikes, the release of Chicago Fire season 12 has been delayed until 2024, causing disappointment for fans.
  • The season 11 finale left several cliffhangers, including Mouch getting shot and the possibility of major changes to the cast and character dynamics in season 12.

Chicago Fire season 12 will continue the long-running procedural after 11 successful seasons on the air, meaning there’s plenty more drama to come. Produced by TV juggernaut Dick Wolf, Chicago Fire follows the men and women of Chicago’s Firehouse 51 as they face down various deadly emergencies throughout their city. Debuting in 2012, Chicago Fire proved to be an instant hit and was followed by spinoffs, Chicago P.D., and Chicago Med. Like many of Wolf’s projects, Chicago Fire manages to balance its procedural elements with the day-to-day lives of its characters, which makes the show all the more gripping.

Chicago Fire season 11 ended with both highs and shocking lows. Severide and Kidd are starting to watch their marriage crumble, Sylvie got to adopt a baby, and Casey returns and proposes to Brett. However, the biggest cliffhanger heading into Chicago Fire season 12 was Mouch getting shot while on duty. Though Chicago Fire is now firmly in its second decade on the air, it shows no signs of stopping after season 12.

Stream On Peacock

Chicago Fire Season 12 Latest News

The latest news regarding the show’s upcoming season has to do with the cast as Kara Kilmer will depart Chicago Fire after season 12. While the specifics of her exit haven’t been revealed yet, Kilmer’s departure from the role of paramedic Sylvie Brett is a major blow to the Chicago Fire fandom. Ironically, the news of Kilmer’s departure comes on the heels of the announcement that former cast member Taylor Kinney would be returning.

Chicago Fire Is Renewed For Season 12

Brett with baby on Chicago Fire

With NBC’s Chicago Fire season 12 renewal announcement (via NBC), Wolf’s projects will have accounted for over 80 cumulative seasons on the network. Considering the popularity of the series and its spinoffs, it came as no surprise when all the Law & Order and Chicago shows were renewed in April 2023. Chicago Fire season 12 was given the green light weeks before the ending of season 11, and serves as a vote of confidence for the long-running procedural to go even further into its second decade.

Related: Chicago Fire Season 12 Must Fix Its Big Severide Problem

Chicago Fire Season 12 Production Status

Carver wears his firefighter uniform in Chicago Fire season 11.

When NBC announced the renewal of Chicago Fire season 12, the network was still somewhat vague when it came to a release date. The announcement listed Fall 2023 as when the series would return, although that has changed completely. Chicago Fire, Chicago P.D., and Chicago Med have all been pushed off the fall schedule because of the WGA and SAG-AFTRA strikes, and there will be no new episodes until 2024. Despite the resolution of the strikes, the show is still off schedule.

The WGA strike was resolved on September 27th, 2023, and the SAG/AFTRA strike was resolved on November 9th, 2023.

Additionally, NBC walked back on previous suggestions there were plans to split the One Chicago block of shows. NBC had hinted at a programming change that would possibly move Chicago P.D. to a new night and time. NBC has dedicated Wednesday nights to the One Chicago block of Chicago shows since 2014, with Chicago Med airing at 8/7c, followed immediately by Chicago Fire and then Chicago P.D.

However, NBC was talking about getting rid of its 10/9c programming completely and this would mean moving Chicago P.D. Since that time, NBC walked back these plans, and it will keep things as is. Jeff Bader, President of Entertainment Program Planning Strategy for NBCUniversal Television and Streaming, said they will keep scheduling shows for this hour, which means not splitting up any of the Chicago shows.

Chicago Fire Season 12 Cast

Three firefighters sit on the truck in Chicago Fire

It can be assumed that the main cast from season 11 will be returning en masse, and though Kara Kilmer will be leaving her role as Sylvie Brett, she will still be part of season 12’s ensemble. On top of the returning series regulars, Taylor Kinney is also going to return as Severide in Chicago Fire season 12. The remaining cast members who could be expected include:


Chicago Fire Role

David Eigenberg

Lieutenant Christopher Herrmann

Joe Minoso

Joe Cruz

Miranda Rae Mayo

Lt. Stella Kidd

Alberto Rosende

Blake Gallo

Daniel Kyri

Darren Ritter

Hanako Greensmith

Violet Mikami

Eamonn Walker

Deputy District Chief Wallace Boden

A big possible Chicago Fire season 12 character exit came thanks to the season 11 finale when someone opened fire on Firehouse 51 and Randall “Mouch” McHolland (Christian Stolte) was shot. While he got help, the last viewers saw of him he was bleeding out. This could likely really affect Darren Ritter (Daniel Kyri), who got his position in Firehouse 51 thanks to Mouch’s recommendation. When asked how Ritter would react to Mouch possibly dying, Kyri simply said, “I think he wouldn’t.”

Chicago Fire Season 12 Story Details

Taylor Kinney as Kelly Severide looking suspicious in Chicago Fire

It can be expected that the first responders of Firehouse 51 will face a host of exciting emergencies that will make up the bulk of the Chicago Fire season 12 episodes. However, there is an overarching narrative too, and season 11 left Chicago Fire with plenty of unanswered questions. The slow build of Chicago Fire season 11 could pay off during season 12, and the fates of characters like Brett and Severide could become the central focus.

The story concerning Brett and Casey is a big one when it comes to the Chicago Fire season 12 cast. While it looked like Casey might be rekindling his romance with Casey, he took it one step further when he dropped to a knee and proposed in the season 11 finale. This could cause a huge change because Casey needs to return to Oregon, and he could end up taking Brett with him.

The biggest Chicago Fire season 12 question that needs to be answered has little to do with love. It has to do with Mouch getting shot while in the line of duty. A sniper started shooting at Firehouse 51 and they hit Mouch. It looked like he might survive, but then the color faded from his face and he started coding as blood poured from his body. Even if he survives, it might be time for Mouch to retire, and this could mark his end on the show.

  • Chicago Fire Movie Poster

    Chicago Fire

    Release Date:

    Taylor Kinney, Jesse Spencer



    Story By:
    michael brandt

    Michael Brandt


    Streaming Service(s):

    Michael Brandt

    Michael Brandt

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