Kelley Mack was a passionate and talented actress, producer, and voiceover artist who captured the hearts of many through her memorable role as Addy in the popular series The Walking Dead. Tragically, Mack’s vibrant life was cut short in 2025 after a prolonged battle with cancer. She was just 33 years old at the time of her passing, leaving behind a legacy filled with love and creativity. Her sister shared a heartfelt message on Instagram to announce her death, highlighting the profound impact Kelley had on those around her and the strength she displayed in her final moments.
“Kelley passed peacefully on Saturday evening with her devoted mother Kristen and unwavering aunt Karen by her side,” the touching post revealed. “Kelley’s Caringbridge link in her bio includes the two-page formal announcement detailing her upcoming life celebration in Ohio on August 16th. She would want you all to know how deeply she loves you. As her sister, I want everyone to understand how incredibly brave she was, especially when she made the courageous decision to reunite with God. I’m immensely proud of her and everything she accomplished.”
In memory of Kelley, Hollywood Life has curated a list of five significant facts about this remarkable woman who touched the lives of many.
Explore Kelley Mack’s Iconic Role as Addy in The Walking Dead
The Walking Dead enthusiasts first encountered Kelley Mack during the gripping season 9. Her character, Addy, emerged as a resilient survivor from the Hilltop Colony, adding depth and emotion to the storyline. Kelley’s portrayal resonated with fans, showcasing her acting prowess and dedication to her craft. Her performance not only captured the struggles of survival in a post-apocalyptic world but also highlighted the importance of community and resilience in the face of adversity.
Discover Kelley Mack’s Cinematography Education and Passion
According to her IMDb profile, Kelley Mack was not just an actress but also had a passion for filmmaking that extended behind the camera. The talented Ohio native pursued studies in film production and cinematography, showcasing her multifaceted skills within the entertainment industry. This educational background allowed her to gain a comprehensive understanding of the filmmaking process, enhancing her performances and contributions to various projects. Kelley’s dedication to her craft was evident in her work and her commitment to telling compelling stories through different mediums.
Uncover Kelley Mack’s Accomplishments as a Producer & Voiceover Artist
According to Mack’s IMDb page, she ventured into production and successfully produced a film that garnered attention from AMC’s Shudder, winning the prestigious Jury Choice Award at the Atlanta Horror Film Festival. This achievement highlights Kelley’s versatility and creativity, showcasing her ability to navigate different facets of the entertainment industry. Additionally, her work as a voiceover artist enriched her portfolio and allowed her to connect with audiences in unique and engaging ways.
Learn About Kelley Mack’s Supportive Relationship with Her Boyfriend
Towards the end of her life, Kelley Mack was in a loving relationship with her boyfriend, Logan. In January 2025, Mack proudly shared that they had just moved into a new apartment together, marking a significant milestone in their journey as a couple. Unfortunately, shortly after their move, she began experiencing physical pains that would lead to her devastating cancer diagnosis. Throughout her battle, Mack emphasized that Logan remained by her side, providing unwavering support and companionship through every challenging moment.
Mack expressed profound gratitude for her boyfriend, stating that he was with her during “every second” of her courageous fight against cancer. This steadfast support served as a crucial source of strength for her, emphasizing the importance of love and companionship during difficult times.
What Rare Form of Cancer Did Kelley Mack Face?
Mack’s journey revealed that her persistent lower back pain and shooting leg pains were symptoms of a rare form of cancer known as diffuse midline glioma, classified as a type of astrocytoma. She disclosed this diagnosis in an Instagram post from January 2025, explaining the severity of her condition. Astrocytoma is a type of brain tumor, and diffuse midline glioma specifically originates in the brain or spinal cord, as defined by the National Cancer Institute. This diagnosis underscored the challenges she faced and her determination to fight through it.
In her announcement, Mack shared, “Due to the biopsy surgery on my spinal cord, I have lost the use of my right leg and most of my left leg, so I now get around with a walker and a wheelchair.” This revelation provided insight into her incredible resilience and the hurdles she faced daily as she navigated her new reality.
In the following months, Mack kept her followers updated on her journey, which initially showed promising signs of recovery. By March 2025, she had made significant progress, learning to walk without a cane or wheelchair. However, despite her determination and the support of those around her, she sadly passed away that August, leaving behind a legacy of strength and inspiration.
