Actress Kelley Mack, known for her appearance in post-apocalyptic zombie drama โThe Walking Dead,โ has died. She was 33.
Mack, who was born Kelley Klebenow, โpassed away peacefullyโ in her hometown of Cincinatti on Saturday after battling glioma of the central nervous system, according to a statement posted on the social networking site CaringBridge. A glioma is a type of tumor that affects the brain or spinal cord.
โIt 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,โ read a post on Mackโs Instagram on Tuesday alongside a photo of the actress.
Kelley Mack, best known for playing Addy in The Walking Dead, has died aged 33, following a battle with cancer. pic.twitter.com/7hBH3Has8T
— IGN (@IGN) August 6, 2025