The entertainment world is mourning the loss of talented actress Kelley Mack, best known for her role in AMC’s hit show The Walking Dead. She passed away on Saturday, August 2, 2025, at the young age of 33 after a courageous battle with glioma of the central nervous system. Born in Cincinnati, Ohio, Kelley Mack left behind a legacy filled with memorable performances, creative ventures, and a life driven by passion, love, and storytelling.
Table of Contents

A Star Was Born
Kelley Mack, born Kelley Lynne Klebenow on July 10, 1992, in Cincinnati, Ohio, was the eldest of three siblings. From an early age, Kelley Mack showed signs of creative brilliance and a deep love for performance art. Her journey into storytelling began when she received a mini video camera as a birthday present—a gift that sparked a lifelong passion.
Her upbringing took her through various American towns and cities, including Wyoming and Mount Lookout in Ohio, Ellisville in Missouri, Avon in Connecticut, Charlotte in North Carolina, and Hinsdale in Illinois. Each of these places added to her dynamic personality and understanding of the world, which would later shine in her work as an actress and filmmaker.
Early Career and Education
Kelley Mack was not just passionate—she was also determined. She began her career at a young age, acting in commercials and short films, displaying natural talent that quickly gained recognition. In 2008, she starred as Chloe in The Elephant Garden, a role that earned her critical acclaim and an award from NYU’s prestigious Tisch School of the Arts. The film itself won the Student Visionary Award at the Tribeca Film Festival, marking an early highlight in Kelley Mack’s rising career.
A bright academic as well, Kelley Mack graduated from Hinsdale Central High School in 2010 and pursued her love for cinema by earning a bachelor’s degree in Cinematography from the Dodge College of Film and Media Arts at Chapman University in 2014. Her educational background laid a solid foundation for her future in acting, directing, and writing.
Rise to Fame with The Walking Dead
The defining moment in Kelley Mack’s career came when she landed the role of Addy in Season 9 of The Walking Dead, which aired from 2018 to 2019. Playing a Hilltop Colony resident, Kelley Mack stood out with her strong screen presence, depth of character, and emotional performance. Her role, though part of a large ensemble cast, was a fan favorite and brought her into the limelight.
Kelley Mack’s portrayal of Addy was praised for its raw emotion and relatability, qualities that connected with The Walking Dead’s massive global audience. The show’s gritty survivalist themes mirrored her own strength and resilience, making her performance all the more powerful.
Expanding Horizons in Television and Commercials
Beyond her work on The Walking Dead, Kelley Mack made guest appearances on several major television series. She appeared in 9-1-1 on Fox in 2019 and Chicago Med on NBC in 2022. These roles highlighted her versatility and ability to adapt to diverse characters and storylines.
Kelley Mack also made a significant mark in the commercial world. She became a familiar face in advertising, with roles in commercials for top brands such as Dr Pepper’s Fansville series, Ross Stores, Budweiser, Eli Lilly, Dairy Queen, Chick-fil-A, and Rakuten. Her Rakuten commercial, which she did alongside her mother, added a personal and heartwarming touch to her career.

Voice Work and Animation
In addition to her on-screen work, Kelley Mack lent her voice to one of the most successful animated films of the decade. She was the voice match for Hailee Steinfeld’s Gwen Stacy in Spider-Man: Into the Spider-Verse (2018), which went on to win the Academy Award for Best Animated Feature. In 2024, she again voiced the same character in a Hyundai Ioniq commercial, proving her continued relevance in both pop culture and commercial branding.
Her voice-over work added yet another dimension to her already impressive portfolio, showcasing her ability to bring characters to life through sound alone. Kelley Mack was truly a multi-faceted artist.
Film Credits and Production Work
Kelley Mack’s love for film extended beyond acting. She also took on executive roles in production, including her work on the upcoming film Universal (2025), in which she also acted. Prior to that, she featured in indie films like Broadcast Signal Intrusion (2021) and Delicate Arch (2024), proving her dedication to storytelling in both independent and mainstream cinema.
Her creative contributions were not limited to acting. Kelley Mack co-wrote several feature scripts with her mother, including On the Black, a nostalgic baseball story set in the 1950s, inspired by her grandparents’ college lives. This deep family connection was a recurring theme in her life and art, always finding ways to bring personal history into the public eye through creative expression.
A Life Full of Passions
Those who knew Kelley Mack often spoke about her vibrant personality and diverse interests. She was more than just an actress—she was an athlete, an adventurer, and a loving soul. In college, she was an accomplished tennis player. She had a passion for hiking, pickleball, biking, and exploring the outdoors. She loved playing the piano and enjoyed a wide array of hobbies that made her a complete, well-rounded individual.
Her other loves included dark chocolate, sports, popcorn, bourbon, fantasy football, and animals—both stuffed and real. Her sense of humor and love for accents (especially speaking in a British accent) made her a joy to be around. According to family and friends, Kelley Mack also had a unique love for the quirks of life and considered herself a “lifelong smoker,” a tongue-in-cheek reference that highlighted her playful and candid nature.
Personal Life and Family
Family played a vital role in Kelley Mack’s life. She is survived by her loving parents, Kristen and Lindsay; her sister Kathryn; and her brother Parker, who is also an actor. Her grandparents Lois and Larry, along with her longtime boyfriend Logan, were all significant pillars in her life.
Her family fondly remembers her as someone full of life, creativity, and compassion. Their statement on her passing emphasized her ability to light up every room she entered and her unwavering commitment to the art of storytelling. The family has planned a public remembrance on August 16 at the Glendale Lyceum in Glendale, Ohio. In addition, a private celebration will be held in Los Angeles for friends and colleagues to pay their respects and honor her memory.

A Legacy That Lives On
Kelley Mack may have left this world too soon, but her contributions to the entertainment industry, her vibrant personality, and her deep-rooted passion for storytelling will continue to inspire others. From her early days of acting in commercials to her breakout role in The Walking Dead, and from voice acting in blockbuster films to writing her own scripts, Kelley Mack was a force of nature.
Her journey reminds us of the power of persistence, creativity, and staying true to one’s passion. In an industry known for its challenges, Kelley Mack navigated her path with grace, talent, and authenticity.
Her performances will be revisited by fans, her scripts may someday become full-fledged films, and her spirit will live on in the lives of those she touched—on and off-screen.
Final Thoughts
The loss of Kelley Mack is not just a loss to Hollywood, but to everyone who believes in the magic of storytelling. Her legacy will continue to thrive through her work, her family’s memories, and the fans who will always remember her as Addy from The Walking Dead—and so much more.
As the entertainment world says goodbye to Kelley Mack, we also celebrate a life beautifully lived. Her smile, talent, and kindness have left an indelible mark. She may be gone, but her story is far from over.
Rest in peace, Kelley Mack—your light continues to shine.

