Kelley Mackđź’”,Cincinnati, Ohio, Death Report : Kelley Mack, “The Walking Dead” actress, Lost Her Life At Age 33, On August 2, 2035

Honoring Kelley Mack: A Brave Light Lost Too Soon

The entertainment world is mourning the heartbreaking loss of actress Kelley Mack, who passed away on August 2, 2025, at the age of 33, following a brave battle with a rare and aggressive form of cancer known as diffuse midline glioma, a type of astrocytoma affecting the brain and spinal cord. Her passing was peaceful, surrounded by the love of her mother, Kristen, and her aunt, Karen, in Cincinnati.

Best known for her emotionally powerful role as Addy in The Walking Dead, Kelley Mack left a lasting impression on both the screen and the hearts of her fans. Her character’s strength and humanity in the face of apocalyptic horror resonated with many, but it was Kelley’s real-life resilience that truly set her apart.

In January 2025, Kelley courageously shared her diagnosis with the public after months of unexplained pain — including lower back aches, neuropathic itching, and sharp nerve shocks running through her body. An MRI revealed a spinal cord tumor, and a subsequent biopsy led to serious complications, including a loss of mobility in her right leg and much of her left. Despite the devastating outcome, Kelley faced her illness head-on, undergoing proton radiation and physical therapy with unwavering strength and grace.

Before her diagnosis, Kelley had also begun exploring her talents as a writer, director, and producer. She was passionate about storytelling in all its forms, and her creative energy knew no bounds. Whether she was performing on camera or developing stories behind the scenes, Kelley brought a rare authenticity that drew people in. She made those around her feel seen, heard, and valued.

Beyond the spotlight, Kelley was a beloved daughter, niece, and friend. She was described by her family as a “bright, fervent light” — someone who gave endlessly and asked for little in return. She had a calm, grounding presence that brought peace to every room she entered. Her strength through adversity touched not only those closest to her but also countless fans around the world.

As tributes pour in from The Walking Dead cast, friends, and admirers, the impact Kelley made is undeniable. Though her time here was far too short, her legacy will endure — through the characters she brought to life, the courage she showed in her final months, and the light she leaves behind in the hearts of so many.

Rest in peace, Kelley Mack.
Your story was powerful, your voice was fearless, and your spirit remains unforgettable. 💔🕊️