Chicago Fire season 9

The ninth season of Chicago Fire, an American drama television series with executive producer Dick Wolf, and producers Derek Haas and Matt Olmstead, was ordered on February 27, 2020, by NBC. The season premiered on November 11, 2020.

Main cast

 * Jesse Spencer as Captain Matthew Casey, Truck Company 81
 * Taylor Kinney as Lieutenant Kelly Severide, Squad Company 3
 * Kara Killmer as Paramedic in Charge Sylvie Brett, Ambulance 61
 * David Eigenberg as Lieutenant Christopher Herrmann, Engine Company 51
 * Joe Minoso as Firefighter Joe Cruz, Squad Company 3
 * Christian Stolte as Firefighter Randy "Mouch" McHolland, Truck Company 81
 * Miranda Rae Mayo as Firefighter/Lieutenant Stella Kidd, Truck Company 81
 * Alberto Rosende as Firefighter Candidate Blake Gallo, Truck Company 81
 * Daniel Kyri as Firefighter Darren Ritter, Engine Company 51
 * Adriyan Rae as Paramedic Gianna Mackey, Ambulance 61
 * Eamonn Walker as Chief Wallace Boden, Battalion 25

Recurring characters

 * Randy Flagler as Firefighter Harold Capp, Squad Company 3
 * Anthony Ferraris as Firefighter Tony Ferraris, Squad Company 3
 * Jon Ecker as Lieutenant Greg Grainger
 * Hanako Greensmith as Paramedic Violet Mikami, Ambulance 61
 * Katelynn Shennett as Kylie Estevez

Crossover characters

 * Marina Squerciati as Officer Kim Burgess
 * Amy Morton as Desk Sergeant Trudy Platt
 * Yaya DaCosta as Nurse April Sexton
 * Nick Gehlfuss as Dr. Will Halstead
 * Patrick John Flueger as Officer Adam Ruzek

Casting
On April 16, 2020, it was announced that Annie Ilonzeh, who portrayed Paramedic Emily Foster, would depart the series after two seasons. On August 31, 2020, it was announced that recurring cast member Daniel Kyri who portrays Firefighter candidate Darren Ritter since the seventh season was promoted to series regular for season nine. On September 14, 2020, it was announced that Adriyan Rae was joining the cast as series regular Paramedic Gianna Mackey. Rae subsequently departed the cast following the season's ninth episode, showrunner Derek Haas stated that she left the series for personal reasons but that the possibility was open for her to return in a later episode. It was announced on March 19, 2021, that Hanako Greensmith, who had previously recurred as Violet Mikami would return in a recurring capacity to replace Rae's character as 51's latest paramedic. Former series regular Monica Raymund was set to return towards the end of the season but was unable to due to COVID restrictions.

Filming
Season 9 began filming October 6, 2020 amid the COVID-19 pandemic. The season contained 16 episodes. On November 11, 2020, it was reported that the ninth season had suspended production for two weeks due to multiple positive COVID-19 tests.