Kelley Mack
Actress and filmmaker Kelley Mack, best known for playing Addy in Season 9 of The Walking Dead, has died at the age of 33.
Her family announced that she passed away on Saturday in her hometown of Cincinnati, after battling glioma of the central nervous system, a rare form of cancer.
Kelley Mack appeared in several TV shows, including 9-1-1 (Fox) and Chicago Med (NBC), and starred in many national commercials for brands like Dr Pepper, Budweiser, and Rakuten. She also did voice work, including a Gwen Stacy role in a Spider-Man: Into the Spider-Verse project and a Hyundai ad in 2024.
Her film credits include Broadcast Signal Intrusion (2021), Delicate Arch (2024), and Universal (2025), which she also co-produced.
Born Kelley Lynne Klebenow on July 10, 1992, she grew up in various cities across the U.S. and graduated from Chapman University in 2014 with a degree in cinematography.
Her family described her as a talented and vibrant person who had a deep love for storytelling, sports, music, and spending time with loved ones.
Kelley is survived by her parents, Kristen and Lindsay; sister Kathryn; brother Parker; grandparents Lois and Larry; and her boyfriend, Logan.
A memorial service will be held on August 16 at 1 p.m. at the Glendale Lyceum in Glendale, Ohio, with a separate event planned for friends in Los Angeles.