Chicago Fire (TV series)

Plot

Cast

Main

• Jesse Spencer as Lieutenant Matthew Casey, Truck Company 81 Casey is the lieutenant at Firehouse 51 and the officer in charge of Truck Company 81. He serves as second in command to Battalion Chief Wallace Boden. Casey is a skilled handyman and carpenter—he freelances as a construction contractor when off-duty. He is civic-minded and becomes an elected alderman to further serve the city. Despite his reticence and aloof demeanor, he is fiercely protective of the firefighters under him and commands their loyalty and respect. He was briefly engaged to Dr. Hallie Thomas in season one and from seasons five to seven, was married to Gabriela Dawson. In the sixth-season episode "An Even Bigger Surprise", he is promoted to captain by Chief Boden. In the ninth-season finale "No Survivors", he begins dating paramedic Sylvie Brett. In the tenth-season episode "Two Hundred", Casey moves to Oregon to take care of Andrew Darden's sons but maintained a long-distance relationship with Brett. He later returns in the season finale to attend Severide and Kidd's wedding. In the eleventh-season premiere, Brett breaks up with him feeling that they had grown apart by the distance. In the season 11 finale "Red Waterfall", he returns to Chicago and proposes to Sylvie; they married in season 12 episode 6 "Port in the Storm".
• Taylor Kinney as Lieutenant Kelly Severide, Rescue Squad 3. Severide is the Lieutenant at Firehouse 51 and the officer in charge of Squad 3. In contrast to Casey, he is charismatic and portrayed to be something of a "ladies' man". He and Casey have been friends since their days at the CFD Academy, but their friendship becomes strained after a mutual colleague dies on the job. His father was Chief Benny Severide, a long-time friend of Chief Boden and Henry Mills, father of Candidate Peter Mills. In the season 4 finale, "Superhero", he begins dating Stella Kidd. In the season 9 episode "A White-Knuckle Panic", they become engaged. In the season 10 episode "The Magnificent City of Chicago", they get married.
• Monica Raymund as Paramedic in Charge Gabriela "Gabby" Dawson, Ambulance 61. She is the younger sister of Chicago P.D. and Chicago Justice character Detective Antonio Dawson. Dawson is one of the few women in 51 and is usually treated as a sister by the men. She is the Paramedic in Charge of Ambulance 61 but goes to the fire academy and passes the training to become a firefighter and joins Truck 81. She later transfers back to Ambulance 61 to provide cover for Jimmy Borelli when he transfers back to Truck 81 and after becoming a foster parent has become more concerned about the dangers of the job. In season one, she briefly dates Peter Mills. From seasons five to seven, she was married to Matt Casey. After the sixth-season finale "The Grand Gesture", she left Chicago to head a rescue-and-relief unit in Puerto Rico, but briefly returned to say goodbye to Casey in the seventh-season premiere "A Closer Eye" and again for a charity ball in the eighth-season episode "Best Friend Magic".
• Lauren German as Paramedic Leslie Elizabeth Shay, Ambulance 61. As an experienced paramedic, Shay was the designated ambulance driver and was well-liked by the mostly male crew of 51. She and Kelly Severide shared an apartment as roommates and were best friends. Popular with her co-workers, she was an open lesbian, often cracking self-deprecating jokes about it. In the third-season premiere "Always", she was killed in its continuation of the second-season finale "Real Never Waits" cliffhanger, in which a serial arsonist intentionally set a trap for the first responders. In "Three Bells", she was honored and remembered by her co-workers at 51. She is memorialized by an inscription painted on the cab door of Ambulance 61.
• Charlie Barnett as Firefighter Candidate Peter Mills and later Truck 81, Squad 3, Ambulance 61. Mills begins as a candidate on Truck 81, following in his deceased father's footsteps, but after proving his capabilities as a firefighter, he earns a spot on Squad 3. After losing his firefighter certification due to injury, he transfers to Ambulance 61 to keep working. He eventually recovers and earns his spot back on the squad but chose to leave Chicago in "You Know Where to Find Me" to work with his family in North Carolina. He briefly dates Gabriela Dawson in season one.
• David Eigenberg as Senior Firefighter Christopher Herrmann, Engine 51, previously Truck 81: Initially one of the senior firefighters at 51, he serves on Truck 81 before he passes the Lieutenant exam, after five previous attempts, and is officially promoted to Lieutenant in the seventh-season episode "Thirty Percent Sleight of Hand" and takes over as officer in charge of Engine Company 51. As Lieutenant, he serves as fourth-in-command to Battalion Chief Wallace Boden. A father figure to the firehouse, the men and women often come to him for advice. He engages in many get-rich-quick schemes before he, Otis and Dawson jointly invest in a small bar one of their victims had been trying to sell, which they call Molly's. Molly's is also featured on Chicago P.D. and Chicago Med as a favorite hangout of cops and medical personnel. In season 13, Boden persuades Herrmann to take the Captain's exam, and despite his doubts in episode "A Favor", Herrmann has passed the exam and is promoted to Captain. In the season 13 finale "It Had to End This Way", Herrmann voluntarily turned his captain's bugles and was demoted to firefighter.
• Eamonn Walker as Battalion Chief, Battalion 25.. He oversees the firefighters and paramedics of Truck 81, Engine 51, Squad 3 and Ambulance 61 at Firehouse 51. A long-time veteran of the CFD, he is extremely protective of the men and women who serve under him, putting his career on the line several times to help them. He is married to Donna, a teacher, and they have a son named Terrance, who was born in season 3. In season 10, he was promoted to Deputy District Chief. In the season 12 finale "Never Say Goodbye", he was appointed as the new Deputy Commissioner of the CFD. In the season 13 episode "Post-Mortem", he returns to investigate a dangerous fire that caused a firefighter to be left trapped inside a burning building.
• Yuri Sardarov as Firefighter, Truck 81. Prior to Mills' assignment in the pilot, Otis was the latest candidate to be assigned to 81. He was routinely assigned to work elevators, and his nickname "Otis" came from the Otis Elevator Company. He became the driver after Joe Cruz transferred to Squad 3. In the season eight premiere, "Sacred Ground", he was fatally wounded and dies with Cruz by his side in the hospital.
• Christian Stolte as Senior Firefighter Randall "Mouch" McHolland, Truck 81. Another of 51's senior firefighters, Mouch is the de facto "legal advisor" of 51 and is their union representative. His nickname is a portmanteau of "man" and "couch" since he is almost always seen sitting on the couch in the lounge watching TV when not on a call. In the fourth-season episode "On the Warpath", he marries Chicago P.D. character Sergeant Trudy Platt. In the season 13 episode "A Favor", he is promoted to Lieutenant, although he remains Senior Firefighter aboard Truck 81 as Lieutenant Kidd is the senior officer. He later moves to another fire house once his engine is decommissioned
• Joe Minoso as Firefighter, Squad 3. A native of the gangster-infested neighborhoods of Humboldt Park, he spends the first two seasons constantly trying to bail his wayward younger brother out of trouble. In the third-season finale, "Spartacus", he transfers to Squad 3. In season three, he briefly dates Sylvie Brett. In the eighth-season episode "Light Things Up", he marries Chloe Allen. He was formerly the designated driver for Truck 81 before his transfer to Squad 3. In season 10, episode 200, his son is born, and they name him Brian "Otis" Leon Cruz.
• Teri Reeves as Dr. Hallie Thomas. Matt Casey's ex-fiancée. They broke up due to differing views, her hectic schedule and his irregular hours which prevented them from spending much time together, but they remained friends. They briefly rekindled their relationship until she was murdered in a fire as part of a cover-up after she discovered that one of her colleagues at her clinic was selling medication to drug dealers.
• Kara Killmer as Paramedic Sylvie Brett, Ambulance 61. Sylvie is a paramedic who joins Ambulance 61 in season three, replacing Leslie Shay after her death. She is a small-town girl from Fowlerton, Indiana, and is a "runaway bride" who goes up I-65 to Chicago. Initially, she has difficulty adjusting to city life due to her naiveté, as shown by the fact that she leaves cash out on the table with the windows open and rented an apartment in a neighborhood known for crime because the rent was cheap. She briefly dates Joe Cruz in season three and shares an apartment with Dawson prior to the latter's marriage to Casey. After her third partner, Jessica Chilton, is fired, Sylvie is promoted to Paramedic in Charge . She dates Dawson's brother Antonio on and off from seasons five to six and is also briefly engaged to Chaplain Kyle Sheffield from seasons seven to eight. In the ninth-season finale, "No Survivors", she begins dating Dawson's ex-husband Captain Matthew Casey, and in the tenth-season episode "Two Hundred", she begins a long-distance relationship with Casey when he moves to Oregon, which she later ends in the eleventh-season premiere after feeling that they had grown apart by the distance. In the season 11 finale "Red Waterfall", Casey returns to Chicago and proposes to Sylvie; they married in season 12 episode 6, "Port in the Storm".
• Dora Madison as Paramedic in Charge Jessica "Chili" Chilton. She was brought in to replace Peter Mills as the new Paramedic in Charge. Her arrival is initially met with some frostiness from the rest of the crew since they were still getting over Mills' sudden departure. She was previously with a firehouse in the West Side and is experienced in dealing with victims of major trauma. She dates Jimmy Borelli in the fourth season. She is later fired by Chief Boden during the fourth season after the death of her sister causes her to nearly kill a patient by giving the patient the wrong medicine and later to relapse into alcoholism. After she is fired, she calls Kelly Severide for help, and he takes her to an Alcoholics Anonymous meeting.
• Steven R. McQueen as Firefighter Candidate Jimmy Borrelli. He was introduced in the fourth-season premiere "Let It Burn" as the new candidate assigned to Truck 81. He briefly dates Jessica "Chili" Chilton in the fourth season and also briefly replaces her as a paramedic on Ambulance 61 after Chilton is fired. After his brother dies in a collapsed building, he blames Chief Boden and transfers back to Truck 81. He is critically injured by an explosion early in the fifth season that results on the loss of his left eye, thus ending his firefighting career.
• Miranda Rae Mayo as Firefighter Stella Kidd: Truck 81. She was introduced in Season 4 as Jimmy Borelli's replacement on Truck 81. She briefly replaces Otis as driver in season six and permanently replaces him after his death in season eight. She is promoted to Lieutenant in the ninth-season episode "What Comes Next" after passing the exams. In the fourth-season finale, "Superhero", she begins dating Lieutenant Kelly Severide. In the ninth-season episode "A White-Knuckle Panic", they become engaged. In the last episode of the tenth season, they get married.
• Annie Ilonzeh as Paramedic Emily Foster, Ambulance 61. A former medical student who replaces Gabriela Dawson on Ambulance 61. In the eighth-season finale "51's Original Bell", she re-applies to medical school, and in the ninth-season premiere "Rattle Second City", Brett says that she was accepted back and is working in a COVID-19 ward.
• Alberto Rosende as Firefighter Candidate Blake Gallo, Truck 81. Firehouse 51's latest recruit on Truck 81, replacing Brian "Otis" Zvonecek after his death. Gallo became a firefighter after he lost his entire family in a house fire. In November 2023, it was revealed that Gallo would leave the series after the season 12 premiere, which reveals that he has opted to move to Michigan to be near his relatives.
• Daniel Kyri as Firefighter Candidate Darren Ritter, Engine 51. After Herrmann forcibly transfers Firefighter Barns for his disrespect, Mouch suggests Ritter as a replacement. Previously with Engine 37, Mouch helped Ritter when Ritter froze up during a fire, and Ritter ended up making his first save. He is openly gay, previously had a boyfriend named Eric, and is dating Officer Dwayne Monroe. He is the owner of Tuesday, a Dalmatian.
• Adriyan Rae as Paramedic Gianna Mackey, Ambulance 61, Emily Foster's replacement on Ambulance 61. Gianna grew up in the same neighborhood as Joe Cruz, who recommended her for the job after Foster left and is very protective of her. She quickly makes a good impression on her co-workers and enters a casual relationship with Blake Gallo. In the ninth-season episode "Double Red", she transfers out of Firehouse 51 after being offered a spot at a new house for better advancement opportunities.
• Hanako Greensmith as Paramedic Violet Mikami. A paramedic from Firehouse 20 and Blake Gallo's old rival from the fire academy. She and Gallo briefly date in season eight. In season nine, Chief Boden asks her to temporarily transfer to Firehouse 51 to fill the spot on Ambulance 61 after Gianna Mackey leaves, and Brett soon convinces her to transfer to Firehouse 51 permanently. Following Sylvie Brett's departure in the Season 12 episode "Port in the Storm", Violet was promoted to Paramedic in Charge.
• Jake Lockett as Firefighter Sam Carver. A former rival of Kidd's from the academy recruited to Truck 81. Proving himself a solid firefighter, Carver takes time to warm up to the crew. He works through issues of his own uncaring family and eventually accepts the genuine camaraderie of Firehouse 51. An off-shift carouser and bit of a womanizer, he eases into a romance with Violet by the end of season 12. When the relationship stalls, Carver backslides into destructive behavior resulting in him attending 12-step meetings for alcoholism and rehab. In the season finale of Season 13, he revealed that he was transferring to the Denver Fire Department in order to support his sobriety and make a fresh start.
• Jocelyn Hudon as Paramedic Lizzie Novak,. Brett's replacement on Ambulance 61, a free-spirited paramedic who preferred to float from firehouse to firehouse until she embraced the stability of 51. Novak is flirtatious with a mischievous sense of humor but shows herself to be an advocate for the victims she encounters daily on the job.
• Dermot Mulroney as Battalion Chief Dominick "Dom" Pascal, Battalion 25. Pascal replaces Boden as Battalion Chief of Firehouse 51. A stoic, dark-humored leader who has returned to Chicago to reunite with his estranged wife after dealing with corruption at his former post in Miami. Pascal's scrutinizing style differs from Boden's but he quickly establishes respect and allegiance among the crew at 51. He is widowed towards the end of Season 13 and works through his grief by staying on duty.
• Brandon Larracuente as Firefighter Sal Vasquez. A cocky new firefighter and driver for Truck 81. He was formerly in the police academy, and has a reputation for subverting his superior's orders if he sees it's fit.