‘The Walking Dead’ Actress Kelley Mack Dies at 33

✨ Title: ‘The Walking Dead’ Actress Kelley Mack Dies at 33
Keywords: Who was Kelley Mack in The Walking Dead?, Who from The Walking Dead died?

💔 Tragic News: A Bright Star Extinguished

Kelley Mack, beloved for her portrayal of Addy in season 9 of The Walking Dead, peacefully passed away on August 2, 2025 at age 33, after battling a rare and aggressive form of brain cancer called diffuse midline glioma . Her passing has sparked an outpouring of grief and tributes across the entertainment community.

🎥 Who Was Kelley Mack in The Walking Dead?

In season 9 of AMC’s hit series, Mack brought to life Addy, a resident of the Hilltop community who appears in five episodes—initially slated for only two appearances but expanded due to her memorable presence and character resonance. Addy was depicted as a young survivor navigating the post-apocalyptic world alongside Henry and his friends, making small yet unforgettable contributions to the Hilltop narrative.

🧬 More Than Addy: A Multifaceted Talent

• Real name: Kelley Lynne Klebenow, a Cincinnati native born July 10, 1992.
• Education: Graduated from Chapman University’s Dodge College of Film and Media Arts in 2014
• Other roles:
  • Penelope Jacobs on Chicago Med (season 8)
  • Guest roles on 9‑1‑1
  • Horror film Broadcast Signal Intrusion (2021)
  • Horror-comedy Delicate Arch (2024)
  • Upcoming feature Universal, which she also executive produced
• Additionally, Mack worked as a producer and voice-over artist and shared her passion for storytelling through various projects, including shorts and promotional voice work

🧡 Illness and Farewell

• Diagnosis:
  • In September 2024, mild symptoms like lower back pain and leg numbness led to an MRI revealing a spinal cord tumor.
  • By January 2025, she was diagnosed with diffuse midline glioma, a rare and aggressive central nervous system cancer
  • Post-surgery, Mack lost mobility in her right leg and most of her left leg, transitioning to using mobility aids
• Final moments:
  • She passed peacefully in her hometown of Cincinnati on August 2, surrounded by her mother and aunt
  • Her family announced her passing, describing Mack as “a bright, fervent light” and sharing that “Kelley has already come to many of her loved ones in the form of various butterflies.” A celebration of her life was scheduled for August 16 in Ohio (ABC News).

🕯️ Who from The Walking Dead Died?

While the show has seen numerous actor deaths over its long run, as of now, Kelley Mack is the recent cast member to pass away. No other Walking Dead cast or character has been publicly confirmed as deceased in the same timeframe. Mack’s passing comes as a solemn reminder of the fragility of life beyond the fictional threats of walkers.

🌟 Kelley Mack’s Legacy

Highlights of Her Personality and Work:

• Described by her family and co-workers as warm, dedicated, creative, and enthusiastic
• Built a portfolio of 35 acting credits and 5 producer credits by age 33, showcasing a trajectory of inspiring artistic growth
• Inspired fans and colleagues alike—not just through her performances, but through her commitment to storytelling and positive spirit.

🧵 Fan Tributes and Social Reactions

Reddit and social media lit up with heartfelt tributes:

“Her family reported… that Mack died in her hometown of Cincinnati after a battle with Glioma …”
— Reddit post recalling her diagnosis and battle .

Fans recall Addy’s brief but sincere role on The Walking Dead and expressed grief at losing someone so promising:

“RIP Ms. Mack, gone too soon.”
— among many grief-filled comments

Area news outlets like WLWT Cincinnati paid tribute to Mack as a hometown hero, reflecting the local grief over her passing

📚 Why This Matters

• Representation and growth: Addy’s expanded storyline reflects how even small characters can leave lasting impressions.
• Raising awareness: Mack’s public sharing about her DMG diagnosis drew attention to a rare and often fatal illness.
• Film and TV legacy: Her dual role as actor and producer highlighted her passion for storytelling behind and in front of the camera.

❓ FAQs

Who was Kelley Mack in The Walking Dead?

She portrayed Addy, a Hilltop resident appearing in season 9, recognized for her warmth and bond with younger characters like Henry and Gage

Who from The Walking Dead died?

The most recent death among cast members is Kelley Mack, who passed away in August 2025 at age 33 due to diffuse midline glioma

🌼 Conclusion

Actress Kelley Mack leaves behind a legacy far greater than her screen time: a legacy marked by courage, creativity, and connection. Though her time was too short, her impact was profound—both in The Walking Dead universe and in the hearts of those who knew her work and spirit.

As fans and loved ones await her memorial on August 16 in Glendale, Ohio, the world remembers a shining talent gone too soon. May we honor her memory by cherishing kindness and continuing to tell stories as she did—with heart and bravery.