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One Chicago

Developed by Derek Haas and Michael Brandt, One Chicago is a multi-series television franchise that combines various public service/government organizations in Chicago, Illinois. Each series shares a timeline and universe, with multiple characters crossing over occasionally. The One Chicago universe began with Chicago Fire in 2012, with P.D., Med, and Justice comprising the remainder of one of NBC's most successful primetime franchises.

One Chicago Franchise Poster
One Chicago

Created by
Derek Haas, Michael Brandt
First TV Show
Chicago Fire
First Episode Air Date
October 10, 2012
Cast
Jesse Spencer, Taylor Kinney, Monica Raymund, Jason Beghe, Jon Seda, Sophia Bush, Jesse Lee Soffer, Nick Gehlfuss, Yaya DaCosta, Torrey DeVitto, Rachel DiPillo, Philip Winchester, Joelle Carter, Monica Barbaro, Carl Weathers, Yuri Sardarov
TV Show(s)
Chicago Fire, Chicago P.D., Chicago Med, Chicago Justice
Character(s)
Matthew Casey, Kelly Severide, Gabriela Dawson, Brian Zvonecek, Henry Voight, Antonio Dawson, Erin Lindsay, Jay Halstead, Will Halstead, April Sexton, Peter Stone, Laura Nagel, Anna Valdez, Mark Jefferies

latest

actors-left-chicago-shows-med-pd-fire-why 1
Every Actor Who Left The One Chicago TV Shows & Why

While numerous actors have left the One Chicago universe over the years, the reasons for each departure range from creative choices to BTS drama.

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Kelly Severide reviewing OFI documents in Chicago Fire Season 11 1
Chicago Fire (2021)
Taylor Kinney Is Back As Kelly Severide In Chicago Fire Season 12 Set Photos

Almost a year since his abrupt leave of absence from One Chicago, Taylor Kinney is back as Firehouse 51's Kelly Severide in Chicago Fire season 12.

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Mouch in a hospital bed in Chicago Fire 1
Chicago Fire (2021)
Chicago Fire Season 12 Set Photos Seemingly Spoil Mouch’s Fate After Season 11 Finale Cliffhanger

A newly-released Chicago Fire season 12 set photos may have confirmed what happens to Mouch after his near-death experience in the season 11 finale.

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One Chicago 1
The 10 Best Characters In The One Chicago TV Shows

One Chicago has introduced a lot of characters over the years, but there are some characters that reign supreme as the best of the entire franchise.

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Kara Killmer as Sylvie Brett smiling in Chicago Fire season 11 episode 22 1
Chicago Fire (2021)
Chicago Fire Season 12 Loses Another Cast Member After Kara Killmer Exit

Chicago Fire season 12 loses another key cast member following the announcement of Kara Killmer's exit, leaving the show with another empty spot.

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Custom image of Dr. Charles from Chicago Med in front of the Agents of SHIELD logo 1
chicago med (2015)
Chicago Med Season 9 Adds Agents Of SHIELD Star As New Doctor Amid Cast Changes

Chicago Med season 9 has added an Agents of SHIELD star as a guest to the medical drama's cast amid casting changes for the One Chicago series.

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Kara Killmer as Sylvie Brett in Chicago Fire 1
Chicago Fire (2021)
Chicago Fire Season 12 Cast Recreates An Adorable Image For Kara Killmer’s Final First Day

Actor Kara Killmer poses with her Chicago Fire co-stars as she begins her final first day as Sylvie Brett in the much-anticipated season 12.

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Brett and Severide in Chicago Fire 1
Chicago Fire (2021)
Chicago Fire’s Exiting Star Finally Acknowledges Their Season 12 Departure In Photo-Filled Post

As work on the delayed season 12 begins, Chicago Fire's exiting star finally acknowledges their upcoming departure from NBC's One Chicago.

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Chicago Fire Screencap 1
Law and Order
Law & Order, One Chicago Return Dates Set At NBC

NBC sets the midseason return dates for six shows in the Law & Order and One Chicago universes that were delayed during the 2023 strikes.

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chicago med (2015)
Chicago Med Season 9 Gets Major Filming Update From Dr. Hannah Asher Actor

Chicago Med season 9 gets a major update from Jessy Schram, who plays Dr. Hannah Asher, shedding light on the medical show’s return to NBC.

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Taylor Kinney as Lieutenant Kelly Severide in Chicago Fire 1
Chicago Fire (2021)
Chicago Fire Season 12 Losing Longtime Cast Member After Severide's Return Confirmation

Although Taylor Kinney has been confirmed to return in Chicago Fire season 12 as Severide, another character will be exiting the show afterward.

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Natalie, Will, Maggie and Daniel looking at something in Chicago Med 1
chicago med (2015)
Chicago Med Season 9 Adding New Character With Ties To An Original Doctor

NBC and Wolf Entertainment is reportedly set to introduce a brand-new character in Chicago Med season 9 that has mysterious ties to Dr. Charles.

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Chicago fire season 11 severide exit 1
Chicago Fire (2021)
Chicago Fire's Severide Update Spoils Big Season 11 Cliffhanger Ahead Of Season 12

Amid its delay, Chicago Fire finally gets an update on Taylor Kinney's status, which effectively resolves a big cliffhanger in the season 11 finale.

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Chicago PD Halstead and Upton 1
Chicago P.D. (2014)
Chicago PD Season 11 Cast Update Means Halstead's Return Is Finally Possible

Chicago PD season 11 is set to lose another veteran member of Hank Voight's Intelligence, but it paves the way for Jay Halstead's return.

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Chicago PD Hailey Upton 1
Chicago P.D. (2014)
Chicago PD's Upton Actor Tracy Spiridakos To Exit After Season 11

Ahead of its delayed return, Chicago PD is set to lose another veteran member, with Tracy Spiridakos confirmed to exit the show after season 11.

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the cast of Chicago PD 1
All 3 One Chicago Shows Re-Open Writers Rooms Following WGA Strike Ending

All three One Chicago shows - Chicago Fire, Chicago P.D., and Chicago Med - re-open their writers' rooms following the WGA strike's conclusion.

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Matt Casey and Sylvie Brett dancing in the Chicago Fire season 10 finale 1
Chicago Fire (2021)
When Chicago Fire Season 12 & More One Chicago Shows Could Return Teased In New Report

A brand new report teases when Chicago Fire season 12 and the rest of One Chicago could return in light of the recent development of the strikes.

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