Kelley Mack, The Walking Dead actress, dies at 33

Kelley Mack , the actress who played Addy in the ninth season of AMC's The Walking Dead , has died at the age of 33 in her hometown of Cincinnati , Ohio , following a battle with central nervous system glioma . The news was confirmed by her family, who praised the actress's "vibrant spirit, creative passion, and dedication."

Mack, who has been working and residing in Los Angeles for the past 11 years, has had a varied career in film and television. In addition to her role on The Walking Dead , she appeared in episodes of 9-1-1 and Chicago Med . She also provided the voice of Hailee Steinfeld's character, Gwen Stacy, in the Academy Award-winning Spider-Man: Into the Spider-Verse , a role she reprised in a Hyundai commercial.

Her big screen filmography includes titles such as Broadcast Signal Intrusion (2021) and Delicate Arch (2024), as well as the upcoming Universal (2025), which she also served as executive producer. Born Kelley Lynne Klebenow on July 10, 1992, she was passionate about storytelling from a young age, an interest that led her to study filmmaking at Chapman University.

In addition to her acting career, Mack was a renowned college tennis player and a fan of activities such as hiking , pickleball , and country music . The actress also wrote several feature film scripts with her mother.