Hollywood actress Kelley Mack, best known for her roles in The Walking Dead and Chicago Med, has died at the age of 33.
The actress passed away on Saturday, August 2, 2025, in her hometown of Cincinnati, Ohio, following a brave battle with glioma, a rare and aggressive brain tumour that affects the central nervous system.
Mack, whose birth name was Kelley Klebenow, was widely recognised for her talent, versatility, and presence both on and off screen. Her death has left a void in the entertainment world, with tributes pouring in from colleagues, friends, and fans alike.
Born and raised in Cincinnati, Mack developed a love for the arts early in life. Her journey into the spotlight began as a child, with early appearances in commercials and short films.
From those small beginnings, she went on to carve out a career that touched many lives and reached audiences around the world.
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Her breakthrough came when she landed the role of Addy in AMC’s hit series The Walking Dead. Her performance earned praise for its emotional depth and strength, and it introduced her to a global fanbase. She later portrayed Penelope Jacobs in Chicago Med, where she once again proved her ability to bring layered characters to life.
Beyond her on-screen work, Mack also found success in voice-over acting. She lent her voice to numerous commercials and digital campaigns, working with major brands and creative studios. Her distinct tone and delivery added a special touch to every project she touched.
Following news of her death, tributes began flooding social media. Many who worked with Mack spoke of her warmth, dedication, and generosity.
Alanna Masterson, who co-starred with her on The Walking Dead, described Mack as “an incredible human being” and said she felt “honoured and proud” to have shared the screen with her. Fans also remembered her as someone who was not just a gifted actress but also a kind soul who connected deeply with her audience.
“Kelley was more than just a performer, she was a light,” wrote one fan on X (formerly Twitter). “Her characters made us feel seen, and her strength off-screen was inspiring.”
According to a family statement, Mack had been battling glioma for some time. Despite the difficulties, she remained strong and hopeful throughout her illness. She continued to support charitable causes, engage with fans, and work on creative projects when her health allowed.
Her family praised her resilience and called her fight “a testament to her spirit.”
“Kelley faced her diagnosis with grace, courage, and incredible strength. She never let the illness define her. She lived each day fully and with purpose,” the family wrote.
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To celebrate Mack’s life and legacy, two memorial events are being planned. A service will be held on August 16, 2025, at the Glendale Lyceum in Glendale, Ohio. Later, a celebration of life will take place in Los Angeles, where many of her industry peers are expected to attend.
These gatherings will honour not just her professional accomplishments, but also her lasting impact on those who knew and loved her.
Kelley Mack leaves behind a legacy of creativity, compassion, and courage. Though her time in the spotlight was cut short, the light she brought to the world will continue to shine through her work and in the hearts of her fans.
She is survived by her parents, siblings, and a close-knit circle of friends and loved ones.
