
Actress Kelley Mack, best known for her role as Addy in The Walking Dead, died on 2 August 2025 in Cincinnati, Ohio. She passed away at the age of 33 after months of undergoing treatment for glioma, a rare and aggressive form of brain cancer.
Her family confirmed the cause of death in a public statement, revealing that she died peacefully with her mother and aunt at her side. Mack had announced her diagnosis in late 2024, sharing her journey publicly through social media.