Chicago Fire – The First Symptom Cast & Guest Stars – Season 11 Episode 17 (2023)

Mouch builds a classic firetruck model for the Deputy District Chief but needs assistance from Gallo and Ritter; Brett and Violet encounter multiple victims with a strange set of symptoms; Cindy’s chemotherapy results loom over the Herrmann family.

Original Air Date: March 29, 2023

Chicago Fire – The First Symptom Main Cast

Taylor Kinney as Lieutenant Kelly Severide
Monica Raymund as Paramedic in Charge Gabriela "Gabby" Dawson
David Eigenberg as Senior Firefighter Christopher Herrmann
Eamonn Walker as Battalion Chief Wallace Boden
Christian Stolte as Senior Firefighter Randall "Mouch" McHolland
Joe Minoso as Firefighter Joe Cruz
Teri Reeves as Dr. Hallie Thomas
Kara Killmer as Paramedic Sylvie Brett
Miranda Rae Mayo as Firefighter Stella Kidd
Alberto Rosende as Firefighter Candidate Blake Gallo
Daniel Kyri as Firefighter Candidate Darren Ritter
Adriyan Rae as Paramedic Gianna Mackey
Hanako Greensmith as Paramedic Violet Mikami

Chicago Fire – The First Symptom Guest Stars & Additional Cast

Randy Flagler as Capp
Nick Gehlfuss as Will Halstead
Chris McKenna as Keith Bamford
Jake Lockett as Sam Carver
Nardeep Khurmi as Dr. Arthur Bishop
Robyn Coffin as Cindy Herrmann
Carlos S. Sanchez as Javi
Gary Kraus as Chief Girardi
Anthony Ferraris as Tony
Tracy Spiridakos as Hailey Upton
Mo Allen as Marilyn
John William Adams III as Kenny James Herrmann
Richard Baiker as Reggie
Jeremy Anderson as Volunteer
Amanda Calabrese as Annabelle Herrmann
Nicholas Bailey as Andrew
Bashany Garcia as Office Assistant
Ajax Dontavius as Mitchell
Presley Rose Jones as Vera
Milica Govich as Lori
Lucas Von Kampen as Luke Herrmann
David VonKampen as Lee Henry Herrmann
Solange Olivier as Teenager
Bryan Kelly as J.D.

Chicago Fire – The First Symptom Media – Videos & Photos

Chicago Fire Show Information

As the firefighters, rescue squad and paramedics of Chicago Firehouse 51 forge headfirst into danger, the choices they make can mean the difference between life and death. But from the relentless pressure of saving lives, an extended family is forged. Led by Chief Wallace Boden, Matthew Casey, Kelly Severide, and the others know -- when it's go time, Firehouse 51 lays it all on the line for each other. This high-octane drama from Executive Producer Dick Wolf offers an edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions.

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