With a warm smile and fierce determination, Kara Killmer has carved out her place in the hearts of Chicago Fire fans as Sylvie Brett, the dedicated paramedic with a deep well of empathy and strength. Over nearly a decade, Killmer’s performance brought both heart and humanity to Firehouse 51—and her exit in Season 12 marked the end of an unforgettable chapter.
👶 Small-Town Roots, Big-Time Talent
Born June 14, 1988, in Crowley, Texas, Kara Killmer didn’t come from a Hollywood background. She studied at Baylor University, earning a BFA in performing arts, and slowly worked her way into the entertainment world. Her breakthrough came in 2014 on the short-lived NBC reality series American Odyssey, but her career-defining role was just around the corner.
🚑 Becoming Sylvie Brett: The Heart of Firehouse 51
In 2014, Killmer joined Chicago Fire as Sylvie Brett, replacing longtime character Leslie Shay (Lauren German) as Ambulance 61’s new paramedic. It was no easy task, stepping into a show still grieving a fan-favorite character, but Killmer’s grounded, sincere performance quickly won audiences over.
💬 “Sylvie Brett was always more than just a paramedic,” Killmer once said. “She’s compassionate, resilient, and always fighting for what’s right.”
Over the next 9 seasons, Brett evolved into one of the emotional anchors of the series, building powerful friendships (especially with Stella Kidd and Gabby Dawson), enduring heartbreaks, and eventually finding true love.
💍 Brettsey Forever: A Love Story for the Ages
Few relationships in the One Chicago universe rival the emotional pull of Brettsey—the slow-burning romance between Sylvie Brett and Captain Matthew Casey (Jesse Spencer). What began as friendship blossomed into love across cities, long-distance complications, and personal growth.
Their wedding in Season 12 became one of the most celebrated moments in Chicago Fire history, marking a satisfying full-circle moment for fans.
🎬 Outside the Firehouse
Though best known for Chicago Fire, Killmer has appeared in other projects, including:
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Beyond the Mask (2015) – A faith-based historical action film, where she played the lead role opposite Andrew Cheney
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If I Can Dream (2010) – Hulu’s reality series that followed aspiring artists
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Guest appearances on Chicago Med and Chicago P.D. as Sylvie Brett
Killmer is also known for her advocacy work, often using her platform to support women’s health, education, and first responders.
💕 Life Off-Screen
Kara Killmer married fellow actor Andrew Cheney in May 2016, whom she met on the set of Beyond the Mask. The couple has largely kept their personal life private, choosing to focus on their careers and faith. Though Killmer exited Chicago Fire as a series regular in 2024, she’s expressed her love for the cast, crew, and fans.
💬 “This show has been a second family to me. I’ll always be grateful for Sylvie and for Chicago,” she said in her farewell post.
🏆 Impact & Legacy
While Chicago Fire may not be a regular on the awards circuit, Kara Killmer’s work has earned her:
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Fan Choice Nominations for Favorite TV Paramedic
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A strong following for Brett’s emotional storylines and professionalism
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Recognition from real-world EMS communities for representing paramedics with integrity
Her exit leaves a legacy of compassion, professionalism, and resilience—traits that defined Brett from her first scene to her final call.
📺 Final Appearance: Season 12, Episode 6 — “Port in the Storm”
Sylvie Brett’s story concluded with her dream fulfilled: a new family, a loving partner, and a community she helped shape. It was a graceful exit fitting of one of Firehouse 51’s most beloved members.
💡 Quick Facts: Kara Killmer
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Birthdate: June 14, 1988
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Hometown: Crowley, Texas
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Education: Baylor University (BFA in Performing Arts)
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Known For: Chicago Fire (2014–2024)
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Spouse: Andrew Cheney (m. 2016)
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Fun Fact: She originally intended to pursue teaching before turning to acting
👩🚒 Final Word
Whether racing through the streets of Chicago or comforting a patient in crisis, Kara Killmer’s Sylvie Brett was the beating heart of Ambulance 61. Her story—filled with courage, growth, and love—continues to resonate with fans, and her legacy on Chicago Fire will burn brightly for years to come.
