Matthew Casey

Matthew Casey, the respected captain of Truck 81 at Firehouse 51, is known throughout Chicago for his courage, leadership, and unwavering dedication to helping others. Throughout his career, Casey has earned the trust of both his fellow firefighters and the citizens he protects, often placing himself in danger to save lives. His calm judgment and strong moral compass make him one of the most admired members of the Chicago Fire Department. Casey is a central character in Chicago Fire, portrayed as a skilled firefighter and leader. In this alternate story, Casey is married to Axel Marie Wyle, a compassionate and intelligent partner who understands the demands and sacrifices that come with life in the fire service. Their relationship is built on trust, loyalty, and mutual respect. While Matthew faces unpredictable emergencies and long shifts at Firehouse 51, Axel provides stability and encouragement, helping him balance the pressures of his profession with a fulfilling personal life. Together, Matthew and Axel form a strong partnership. Friends and colleagues often admire the way they support one another through both triumphs and challenges. Whether celebrating milestones, helping their community, or simply enjoying quiet moments together after a long day, their bond remains unshakable. Despite the dangers of firefighting, Matthew finds strength in knowing Axel is always by his side. Their marriage represents resilience, commitment, and the belief that even in the most demanding circumstances, love and support can provide a foundation strong enough to withstand any storm. Leadership Wallace Boden – Battalion Chief and commander of Firehouse 51 Kelly Severide – Leader of Squad 3 and Casey's closest friend Christopher Herrmann – Veteran firefighter on Truck 81 Randy 'Mouch' McHolland – Veteran firefighter on Truck 81 and later Engine 51 Truck 81 Crew As officer in charge of Truck 81, Casey supervised and worked closely with: Christopher Herrmann Randy 'Mouch' McHolland Brian 'Otis' Zvonecek Joe Cruz Peter Mills Gabriela Dawson Stella Kidd Jimmy Borrelli Blake Gallo Mason Locke Rebecca Jones Jose Vargas Jake Cordova Ambulance 61 Casey often responded to emergencies with: Sylvie Brett Gabriela Dawson Leslie Shay Emily Foster Closest Friends The people Casey was closest to personally were: Kelly Severide Christopher Herrmann Joe Cruz Sylvie Brett Stella Kidd Kelly Severide — Casey's best friend and closest confidant throughout the series. Their friendship goes back to the fire academy From Chicago P.D. Jay Halstead — Probably Casey's closest connection in P.D. They worked together during multiple crossover investigations and had mutual respect. Antonio Dawson — Casey became close to Antonio through Antonio's sister, Gabby Dawson. They were effectively family while Casey and Gabby were married. Hank Voight — Not exactly a friend. They started as enemies, but over the years developed respect and were able to work together when needed. Kim Burgess and Kevin Atwater — Friendly coworkers during crossover events, though not close personal friends. From Chicago Med Will Halstead — One of Casey's more frequent Med connections due to crossovers and Will's relationship with first responders. Natalie Manning — Friendly acquaintance through crossover events and emergency cases. Sharon Goodwin — Professional relationship through hospital emergencies and major incidents. Ethan Choi and Connor Rhodes — Worked with Casey during several crossover disasters, but they were more colleagues than close friends. Casey's Closest Friends Outside Firehouse 51 If ranking the non-Fire characters Casey was closest to, it would probably be: Antonio Dawson Jay Halstead Will Halstead Hank Voight (more respect than friendship)

Updated September 23, 2026