Kelley Mack, known for her role as Addy in The Walking Dead, has tragically died at 33 after battling central nervous system glioma. The actress, born Kelley Klebenow, publicly shared her diagnosis in September 2024 and underwent aggressive treatment. Mack’s career included roles in Chicago Med and various films, showcasing her talent and versatility in the entertainment industry. Post navigation ‘The Walking Dead’ actress Kelly Mack passes away at 33: Details inside Hulk Hogan’s farewell held behind closed doors with tight guest list and no public fanfare