Actress Kelley Mack, best known for her portrayal of Addy in season nine of AMC’s The Walking Dead, has died aged 33 in her hometown of Cincinnati following a battle with glioma of the central nervous system.
Mack, who worked extensively in television, film, and advertising, also appeared in episodes of 9-1-1 and Chicago Med, and featured in national commercials for Dr Pepper, Budweiser, Rakuten, and others.
She lent her voice as a match for Hailee Steinfeld’s Gwen Stacy in Spider-Man: Into the Spider-Verse and reprised the character in a 2024 Hyundai Ioniq commercial. Her film credits include Broadcast Signal Intrusion, Delicate Arch, and the upcoming Universal, where she also served as executive producer.
Born Kelley Lynne Klebenow on July 10, 1992, she was raised in multiple US states and later earned a cinematography degree from Chapman University. An early interest in storytelling emerged when she received a mini video camera as a child. She later acted in The Elephant Garden, a short film awarded at the Tribeca Film Festival.
Mack co-wrote feature scripts with her mother and was passionate about tennis, hiking, fantasy football, and country music. Her family described her as having a “vibrant spirit” and a lasting impact through her creative work.
She is survived by her parents, siblings, grandparents, and boyfriend Logan. A public remembrance is scheduled for August 16 in Ohio, with a second planned in Los Angeles.
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