How will you remember Kelley Mack’s impact on television and film?
Fans Mourn The Walking Dead’s Kelley Mack After Her Brave Battle With Rare Brain Cancer
Actress Kelley Mack, best known for her portrayal of Addy in Season 9 of *The Walking Dead*, passed away on August 2, 2025, at the age of 33 following a courageous fight with diffuse midline glioma, a rare and aggressive brain tumor. The Cincinnati-born actress, who studied cinematography at Chapman University, had an impressive career with 35 acting and five producer credits, including appearances in *Chicago Med*, *9-1-1*, and the film *Broadcast Signal Intrusion*. Her final project, *Universal*, capped a career marked by versatility and depth. Diagnosed in late 2024 after experiencing persistent back and leg pain, Kelley underwent proton radiation therapy and shared her rehabilitation journey with fans, demonstrating resilience and openness. Tributes from co-stars, friends, and fans highlighted her warmth, creativity, and vibrant energy, with many recalling her as a bright light in the industry. The Walking Dead co-star Alanna Masterson called her “an incredible human†and “a proud fighter.†A celebration of her life will be held on August 16, 2025, in Ohio. Her story has sparked conversations around glioma awareness and the fragility of life in the entertainment world.
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- Her inspiring strength off-screen
- Her memorable roles in TV and film
- Both equally
- Not familiar with her work