Actress and producer Kelley Mack, known for her work in hit series like T he Walking Dead, Chicago Med, and more, has passed at 33 following a battle with a glioma, ABC r eports.

American actress Kelley Mack died on August 2, 2025, in her hometown of Cincinnati after battling glioma of the central nervous system. A year before her death, she had shared a health update.