
The camaraderie and intense on-screen chemistry of Firehouse 51’s leading ladies are mirrored in real life, as evidenced by a fantastic reunion that had fans buzzing. Kara Killmer, Miranda Rae Mayo, and Hanako Greensmith, known to millions of Chicago Fire viewers as Sylvie Brett, Stella Kidd, and Violet Mikami, respectively, recently came together for a joint workout session, proving that their bond extends far beyond the set.
The actresses, who play the critical roles of paramedic and firefighter on the hit NBC drama, often share glimpses of their supportive and fun-loving relationship off-camera. This latest get-together for a fitness session offered a peek into the dedication required to portray first responders and reinforced the strong friendship between the trio.
Getting into the Zone for Firehouse Fitness
In the intense world of Chicago Fire, the physical demands on the cast, particularly those portraying firefighters and paramedics, are significant. Recreating believable and strenuous fire rescue scenarios requires the actors to maintain a high level of fitness. It’s no surprise, then, that the show’s stars often prioritize their conditioning, and what better way to tackle a tough workout than with supportive friends?
The evidence of this demanding session was shared by actress Kara Killmer, who posted about the event on social media. The post captured the spirit of the day, beginning with a motivational moment. Killmer was shown in a hallway, preparing to tackle the “Chicago Fire training” while getting energized by a truly epic pump-up jam: the London Symphony Orchestra’s “2001: A Space Odyssey.” This blend of drama and high energy set the perfect tone for the ensuing physical labor.
The Trio Takes on the Gym
Killmer, who played paramedic Sylvie Brett, was joined by her co-stars Hanako Greensmith, who plays paramedic Violet Mikami, and Miranda Rae Mayo, who stars as firefighter Stella Kidd. The presence of friends, as anyone who has ever hit the gym knows, can make the time pass quicker and the effort feel lighter.
The workout itself was anything but light. The trio demonstrated their dedication by expertly working through a series of demanding exercises. These moves included single-leg squats, a challenging exercise for balance and lower-body strength, and impressively executed medicine ball-assisted sit-ups, which require significant core stability and power. The session was a testament to the hard work these stars put in to ensure they are in tip-top shape for their physically demanding roles on Chicago Fire.
Friendship and Improvisation: More Than Just a Workout
While the workout was serious, the atmosphere was clearly one of mutual support and shared laughs, a hallmark of the cast’s off-screen dynamic. One particularly memorable moment highlighted the lighter side of their reunion. Killmer captured a fun slide featuring Mayo engaging in some enthusiastic, improvised dancing during a solo portion of the workout. Killmer affectionately captioned the clip, “And then there was improvisation.” This moment perfectly encapsulates the blend of hardworking support and plenty of laughs that define the friendship between the Chicago Fire ladies.
The dedication of Mayo, Greensmith, and Killmer to their physical conditioning underscores the reality that their on-screen heroics are grounded in a commitment to fitness. The strenuous physical labor involved in their characters’ lives—whether pulling a victim from a wreck or carrying heavy gear—is best prepared for in the gym.
A Look at the Core Female Stars’ On-Screen Roles
The careers of these three actresses have intertwined significantly on Chicago Fire. Kara Killmer joined the series in season three as Sylvie Brett, a paramedic-in-charge who became a central figure at Firehouse 51. Miranda Rae Mayo’s Stella Kidd joined the firehouse and quickly rose through the ranks, establishing herself as a formidable firefighter and leader. Hanako Greensmith’s Violet Mikami arrived as a new paramedic, eventually becoming Brett’s partner, and a fan favorite.
The trio, collectively representing the powerful women of Chicago Fire, has been featured in a fun cast video, where they chatted about the show, played games, and discussed their favorite scenes, further highlighting their off-screen synergy. In addition, images shared ahead of Chicago Fire season 12 pre-production showed Killmer reuniting with Greensmith and Mayo.
Kara Killmer’s Departure and the Lasting Bond
The reunion offers a touching moment for fans, especially in light of recent changes to the Chicago Fire cast. Kara Killmer, who portrayed Sylvie Brett for ten years, departed the series midway through season 12. Her final episode, which aired on February 28, 2024, saw her character marry Matthew Casey and move to Oregon, a conclusion that Killmer herself described as a “natural conclusion” for Sylvie’s arc.
Despite her exit as a series regular, Killmer has expressed openness to guest-starring in future episodes, and the continued off-screen reunions with her co-stars show that the professional separation has not fractured the personal bond. The friendship between Killmer, Mayo, and Greensmith remains a favorite among fans, serving as a powerful reminder of the deep connections formed within the Firehouse 51 family.
The recent workout session is just one more piece of evidence that the connections established on the long-running show are genuine and resilient. Whether they are preparing for the next season’s dramatic rescues or simply maintaining their health, the Chicago Fire actresses are clearly stronger together. Their reunion is a fantastic source of inspiration, demonstrating how a supportive network of friends can make even the toughest workouts—and the busiest careers—feel rewarding and fun.