Mack passed away in her hometown of Cincinnati, after suffering from a rare form of cancer that attacks your nervous system.

‘The Walking Dead’ star dead at 33 after cancer battle: ‘So (expletive) proud of her’ Aug. 6, 2025, 5:00 a.m. Her character of “Addy” appeared in Season 9 of “The Walking Dead.” She also played ...

An actress known for her roles on several popular drama series on TV has died at the age of 33. Kelley Mack, who played Addy ...

Kelley Mack, best known for her role as Addy in "The Walking Dead," has died at the age of 33 after a difficult fight with ...

Actress Kelley Mack, known for her appearance in post-apocalyptic zombie drama “The Walking Dead,” has died. She was 33.