
For fans, Chicago Fire is a thrilling dive into heroism. But for the cast, stepping into those heavy gear suits and running through real flames isn’t just acting—it’s survival.
Taylor Kinney, who plays Lieutenant Kelly Severide, once admitted the heat on set is “sometimes hotter than real calls.” That’s because the series prides itself on authenticity. Many fire scenes are done with practical effects—real fire, real water, real danger.
During one unforgettable shoot, a fire stunt went wrong and the cast had to evacuate before cameras even rolled. “It was terrifying,” said a crew member. “And that’s when you realize—this isn’t just TV. It’s as real as we can make it.”
What’s more surprising? Most actors perform their own stunts. Miranda Rae Mayo (Stella Kidd) trained with real firefighters and even joined them on live ride-alongs. She says, “Once you’ve heard a real call go out, the role hits different.”
Behind the action are exhausted, adrenaline-fueled cast members trying to stay safe and in character—all while delivering emotional scenes in water-soaked boots. Now that’s a firefight worth watching.