Actress and filmmaker Kelley Mack, best known for her role as Addy on the ninth season of The Walking Dead , has died at the age of 33 after battling glioma of the central nervous system.
She passed away on Saturday in her hometown of Cincinnati, her family announced on her Instagram page.
Mack portrayed Addy, a resident of the Hilltop Colony, during the 2018-2019 season of AMC's hit series. Her acting career also included appearances on 9-1-1 Fox, 2019 and Chicago Med NBC, 2022, in addition to extensive work in commercials for brands like Dr Pepper as a resident of the fictional Fansville, Budweiser, Dairy Queen, Chick-fil-A, Eli Lilly, Ross Stores, and Rakuten, the last of which she appeared in alongside her mother.
She also contributed to voice work, including serving as the voice match for Hailee Steinfeld's Gwen Stacy in Spider-Man: Into the Spider-Verse 2018 and reprising the role in a 2024 Hyundai Ioniq commercial.
Her film credits include Broadcast Signal Intrusion 2021, Delicate Arch 2024, and the upcoming Universal 2025, where she also held the title of executive producer.