TV actress Kelley Mack, best known for her roles in “The Walking Dead” and “9-1-1,” has died at the age of 33. She passed away on August 2 in Cincinnati after a battle with glioma, a rare type of brain cancer.
Born in Cincinnati, Mack began acting as a child, appearing in commercials and later earning an award for her debut role in the film “The Elephant Garden.” Her breakthrough roles came in television, where she played Addy in “The Walking Dead” and Penelope Jacobs in “Chicago Med.”
In addition to her acting career, Mack was also a screenwriter, working on several full-feature scripts with her mother. The late actress is survived by her family, including her mother, father, sister, brother, and grandparents.
Source: https://variety.com/2025/tv/news/kelley-mack-dead-9-1-1-the-walking-dead-1236479304