Kelley Mack, ‘The Walking Dead’ Actress, Dies at 33 After Battle with Glioma: Remembering a Talented Storyteller
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Actress Kelley Mack, known for her roles in The Walking Dead, Chicago Med, and 9-1-1, has passed away at 33 after a courageous battle with glioma. Read her inspiring story, career highlights, and tributes from fans and co-stars.
Kelley Mack, Beloved Actress from The Walking Dead, Dies at 33 After Glioma Diagnosis
The entertainment world mourns the loss of Kelley Mack, a gifted actress best known for her role as Addy in Season 9 of AMC’s hit series The Walking Dead. Mack passed away at the age of 33 on Saturday in her hometown of Cincinnati, Ohio, after a brave fight against glioma, a rare and aggressive tumor affecting the central nervous system.
Her passing was confirmed in a heartfelt statement shared on CaringBridge and her official Instagram, where loved ones described her as a “bright, fervent light” whose spirit will continue to inspire all who knew her.
“It is with indelible sadness that we are announcing the passing of our dear Kelley. Such a bright, fervent light has transitioned to the beyond, where we all eventually must go.”
A Rising Star in Film and Television
Kelley Mack—born Kelley Klebenow—built an impressive career in Hollywood, amassing 35 acting credits and 5 producing roles across television, commercials, and voice-over work. Her most notable performances include:
- Addy in The Walking Dead (Season 9)
- Penelope Jacobs in Chicago Med (Season 8)
- Guest appearances on 9-1-1 (FOX)
She also lent her voice and face to major national brands, appearing in commercials for Dr. Pepper, Chick-fil-A, Dairy Queen, and Ross Stores, showcasing her versatility and market appeal.
From Childhood Passion to Professional Filmmaker
Mack’s love for storytelling began at an early age. A mini video camera gifted on her birthday sparked a lifelong passion for filmmaking and performance. She began acting in commercials as a child, a path that would eventually lead her to Chapman University’s Dodge College of Film and Media Arts in Orange, California, where she earned a Bachelor’s degree in Cinematography.
A graduate of Hinsdale Central High School in Illinois, Kelley was celebrated not only for her talent but also for her warmth, creativity, and unwavering support for her peers.
Industry Tributes Pour In
Following the news of her passing, colleagues and fans have flooded social media with tributes, honoring her legacy and spirit.
“What an incredible human. So proud to have fought alongside her in our final episode together,” shared Alanna Masterson, her Walking Dead co-star.
Fans and fellow creatives have echoed these sentiments, calling her a “sweet soul,” a “true artist,” and a “beacon of positivity” on and off set.
Remembering Kelley Mack’s Legacy
Kelley is survived by her parents, Kristen and Lindsay Klebenow; her siblings Kathryn and Parker; grandparents Lois and Larry Klebenow; and her partner, Logan Lanier.
Though her life was cut short, her impact endures. As her family stated:
“Kelley’s legacy will live on through her contributions to film and television, and in the hearts of those who loved her. She will be deeply missed but forever remembered for her talent, kindness, and vibrant spirit.”
Raising Awareness: What Is Glioma?
Kelley’s battle with glioma—a type of tumor that originates in the glial cells of the brain or spinal cord—sheds light on the urgent need for greater awareness and research funding for rare neurological cancers. Gliomas can be difficult to treat due to their location and aggressive nature, often requiring a combination of surgery, radiation, and chemotherapy.
Her story serves as a poignant reminder of the fragility of life and the importance of early detection and support for brain tumor patients.
Final Thoughts: Celebrating a Life Well-Lived
Kelley Mack may have left us too soon, but her work, spirit, and passion for storytelling continue to resonate. From the apocalyptic world of The Walking Dead to the emergency rooms of Chicago Med, she brought authenticity, strength, and heart to every role.
As fans, we honor her memory by celebrating her artistry, supporting brain cancer research, and cherishing the stories she helped bring to life.
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