Kelley Mack, born Kelley Klebenow, was an American actress known for television roles and commercial work. She died in Cincinnati after being diagnosed with glioma of the central nervous system, a type of tumor affecting the brain or spinal cord. Her death was publicly confirmed through a statement on the social networking site CaringBridge, which reported that she passed away peacefully. An announcement was also posted to Mack’s Instagram account.
Mack appeared in various television series throughout her career. She was known for her role as Addy in season 9 of The Walking Dead. She also portrayed Penelope Jacobs in season 8 of Chicago Med and appeared in 9-1-1 on FOX. According to the career summary posted on CaringBridge, Mack held 35 acting credits and five producer credits.
Beyond her television work, Mack participated in commercial and voice-over projects. She appeared in advertisements for brands such as Dr. Pepper, Ross, Dairy Queen, and Chick-fil-A. Her interest in performance and storytelling began early; she reportedly began acting in commercials as a child after receiving a video camera as a birthday gift.
Condolences following her death were shared by colleagues and fans, including fellow Walking Dead cast member Alanna Masterson. Statements regarding her career noted her involvement in acting, production, and collaborative creative work. According to the public post shared after her death, Mack was recognized for maintaining supportive professional relationships and consistent involvement in creative projects during her career.
