Is Walking Dead Star Kelley Mack Cause Of Death Brain Cancer?

- Walking Dead Star Kelley Mack died from diffuse midline glioma at 33.
- Symptoms included back pain, leg weakness, and loss of mobility.
- DMG is a rare, aggressive brain/spinal cord tumor.
- Treatment includes surgery, radiation, and chemotherapy.
Kelley Mack, the talented actress known for her roles in The Walking Dead and Chicago Med, passed away on August 2, 2025, at 33. Her family confirmed her death resulted from a rare brain tumor called diffuse midline glioma.
This article details her battle, the nature of the disease, and statements from loved ones.

In January 2025, Mack revealed her diagnosis on Instagram. She described persistent back pain, leg weakness, and neuropathic itching before doctors discovered a spinal cord tumor.
“Due to the biopsy surgery on my spinal cord, I have lost the use of my right leg and most of my left leg, so I now get around with a walker and a wheelchair.” — Kelley Mack
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Despite radiation treatment, the aggressive tumor progressed. Her family shared updates on CaringBridge, a platform for medical journeys.
Family Statements and TributesKelley Mack, known for her role in season 9 of The Walking Dead, passed away at the age of 33 after battling central nervous system glioma pic.twitter.com/KDoqPz8Rn7
— Pubity (@pubity) August 6, 2025
Mack’s family announced her passing on Instagram:
“It is with indelible sadness that we announce the passing of our dear Kelley. Such a bright, fervent light has transitioned to the beyond… She will be missed by so many to depths that words cannot express.” — Mack Family
Co-stars like Alanna Masterson (The Walking Dead) paid tribute:
Kelley Mack’s Legacy“What an incredible human. So proud to have fought alongside her in our final episode together.”
Beyond acting, Mack worked as a producer, writer, and voice artist (Spider-Man: Into the Spider-Verse). She graduated from Chapman University and lived in Los Angeles for 11 years.
Her family held a remembrance in Ohio on August 16, with a Los Angeles celebration planned later.
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Last Updated on August 6, 2025 by 247 News Around The World
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