Kelley Mack, an actress known for her portrayal of Addy in The Walking Dead, died on August 2, 2025, her family announced. She was just 33. Since Mack died at such a young age, fans are mourning her death while wondering what the cause of death was. After all, the late voiceover artist was promoting upcoming film roles during the final months of her life, so her death shocked her fans and industry peers.
Mack’s sister penned a heartfelt farewell statement to the actress’ Instagram page on August 5. The announcement noted that Mack died “peacefully” with her mother and aunt by her side.
“It is with indelible sadness that we are announcing the passing of our dear Kelley,” the statement began. “Kelley has already come to many of her loved ones in the form of various butterflies. She will be missed by so many to depths that words cannot express.”
Mack’s sister elaborated that she “would want you all to know how much she loves you. And as her sister, I want you all to know how brave that tough SOB was, especially when she decided to make the leap to be reunited with God. I’m so f**king proud of her.”
Below, News47.us is remembering Mack for her life and career in addition to her health battle before she died.
Mack was an actress, voiceover artist and producer. According to her IMDb profile, the Ohio native also dipped into other production work. As an actress, she was recognized for her performances as Addy in The Walking Dead, Alice in Broadcast Signal Intrusion and Penelope Jacobs in Chicago Med.
