The One Chicago franchise () is a media franchise of American television programs created by Derek Haas, Michael Brandt, and Dick Wolf, produced by Wolf Entertainment, and broadcast on NBC, all of which deal with different public services in Chicago, Illinois. The Chicago franchise has maintained strong ratings, leading primetime in total viewers, averaging nearly seven million viewers per show, between Chicago Fire, Chicago P.D., and Chicago Med. NBC renewed Fire, Med and P.D. for the 2026–2027 broadcast season on March 27, 2026.
Television series The Chicago franchise focuses on the professional and private lives of the firefighters, police officers, emergency medical personnel, and legal professionals who serve the city of Chicago. A recurring and unifying theme of the four shows is Molly's, a small bar owned by three firefighters which has been frequented by characters from all four shows. Dick Wolf has stated that most episodes in the franchise will end with a scene at Molly's, saying that "it's a great note on the end of every show that connects all the shows".
On September 26, 2018, NBC moved all three shows into consecutive time slots on Wednesday. On February 28, 2019, NBC renewed Chicago Fire, Chicago P.D., and Chicago Med for their eighth, seventh, and fifth seasons, respectively. All three Chicago shows will keep their respective time slots for the 2019–20 television season. On March 13, 2020, the production of season 5 of Med, 8 of Fire, and 7 of P.D. were suspended due to the COVID-19 pandemic.
Chicago Fire
Chicago Fire follows the firefighters, paramedics, and rescue squad members of Chicago Fire Department Firehouse 51.
Chicago P.D.
Chicago P.D. follows the uniformed patrol officers and detectives of the Chicago Police Department's 21st District, specifically the Intelligence Unit. The Chicago Fire episode "Let Her Go" serves as the backdoor pilot.
Chicago Med
Chicago Med follows the doctors and nurses of Gaffney Chicago Medical Center. The Chicago Fire episode "I Am the Apocalypse" serves as the backdoor pilot.
Chicago Justice
Chicago Justice followed the prosecutors and investigators at the Cook County State's Attorney's Office. The Chicago P.D. episode "Justice" served as the backdoor pilot. The series was canceled after one season.
Series overview
Main cast
Series Character Appearances Actor Duration Franchise Universe Fire P.D. Med Justice SVU FBI Chicago Fire colspan="2" colspan="3" 2012–2021, 2022, 2023, 2024 colspan="3" colspan="2" 2012– colspan="3" 2012–2018, 2019 colspan="3" 2012–2019 colspan="2" colspan="2" 2012–2024, 2025 Randall "Mouch" McHolland colspan="3" 2012– Joe Cruz colspan="3" 2012– Christopher Herrmann colspan="2" colspan="2" 2012– Peter Mills colspan="4" 2012–2015 Leslie Shay colspan="4" 2012–2015 Hallie Thomas colspan="5" 2012–2013 colspan="2" colspan="2" 2014–2024 Jessica "Chili" Chilton colspan="3" 2015–2016 Jimmy Borelli colspan="4" 2015–2016 Stella Kidd colspan="2" colspan="3" 2016– Emily Foster colspan="2" colspan="3" 2018–2020 Darren Ritter colspan="2" colspan="3" Daniel Kyri 2018–2025 Blake Gallo colspan="2" colspan="3" 2019–2024 Violet Mikami colspan="3" Hanako Greensmith 2020– Gianna Mackey colspan="5" 2020–2021 Sam Carver colspan="3" Jake Lockett 2022–2025 Lizzie Novak colspan="2" colspan="3" Jocelyn Hudon 2024– Dom Pascal colspan="2" colspan="3" Dermot Mulroney 2024– Sal Vasquez colspan="2" colspan="3" Brandon Larracuente 2025– Marcus Burke colspan="5" Da'Vinchi 2026– Chicago P.D. colspan="2" 2012– 2012–2019 colspan="2" 2013–2017 2013–2023, 2026 colspan="3" 2014– colspan="3" 2014– colspan="2" colspan="2" 2014–2018, 2024 colspan="2" colspan="2" 2013– colspan="2" colspan="2" 2014– Hailey Upton colspan="2" 2017–2024, 2026 Vanessa Rojas colspan="3" 2019–2020 Dante Torres colspan="3" Benjamin Levy Aguilar 2022– Kiana Cook colspan="3" Toya Turner 2024–2025 Eva Imani colspan="3" Arienne Mandi 2025– 2014–2016, 2020 colspan="4" 2014 Chicago Med Will Halstead colspan="2" colspan="3" 2015–2023 April Sexton colspan="3" 2015–2021, 2022 Natalie Manning colspan="2" colspan="3" 2015–2021, 2023 Sarah Reese colspan="2" colspan="3" 2015–2018, 2024–2025 Connor Rhodes colspan="2" colspan="3" 2015–2019 Ethan Choi colspan="2" colspan="3" 2015–2022 Sharon Goodwin colspan="2" colspan="3" 2015– Daniel Charles colspan="2" 2015– Maggie Lockwood colspan="2" colspan="3" 2015–2025 Ava Bekker colspan="3" Norma Kuhling 2017–2019 Crockett Marcel colspan="2" colspan="3" Dominic Rains 2019–2024 Hannah Asher colspan="2" colspan="3" Jessy Schram 2020, 2022– Dean Archer colspan="2" colspan="3" Steven Weber 2021– Stevie Hammer colspan="2" colspan="3" Kristen Hager 2021–2022 Dylan Scott colspan="1" colspan="1" colspan="3" Guy Lockard 2021–2022 Mitch Ripley colspan="2" colspan="3" Luke Mitchell 2024– Caitlin Lenox colspan="2" colspan="3" Sarah Ramos 2024– John Frost colspan="2" colspan="3" Darren Barnet 2024– Chicago Justice colspan="2" colspan="2" 2016–2019 2012–2019 Laura Nagel colspan="2" 2016–2017 Anna Valdez colspan="2" 2017 colspan="2" 2016–2017, 2018
Crossovers
The following table displays all the crossover storylines involving the Chicago series.