Kelley Mack Dead at 33: Walking Dead Star Remembered With Heartfelt Tributes
Actress Kelley Lynne Klebenow, better known as Kelley Mack, has died at age 33—on August 2 in Cincinnati—after bravely battling a rare brain cancer called diffuse midline glioma. She was surrounded by her mother, Kristen, and her aunt, Karen. In the Instagram post announcing her passing, her sister Kathryn wrote that “such a bright, fervent light has transitioned to the beyond,” adding that Kelley is already showing up to loved ones in “the form of various butterflies”.
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The Role That Made Her a Genre Favorite
Kelley’s most high‑profile gig was Addy in Season 9 of The Walking Dead from 2018 to 2019—just enough to make a lasting impression. But she also had credits on Chicago Med (Season 8) and 9‑1‑1, plus indie films like Broadcast Signal Intrusion and the horror‑comedy Delicate Arch.
Kelley Mack Death Cause
A Cancer Journey Shared with Courage
Her diagnosis came in late 2024. After a spinal biopsy, Kelley lost mobility in her legs, and she started sharing that journey online—walker, wheelchair, rehab, all of it—with moving honesty and humor. She was determined to keep working too, finishing the comedy‑drama Universal in June and even celebrating walking up stairs with her partner’s help in early 2025
Colleagues and Fans Flood Socials
Tributes hit fast and hard:
- Alanna Masterson (Tara) said: “What an incredible human. So proud to have fought alongside her in our final episode together”.
- Director Michael Satrazemis called her “a bright light on every level.”
- Gustavo Gomez added: “This is heartbreaking. Your bright light will always shine on.”
From inspiration boards to heartfelt stories of kindness, everyone’s in mourning for “such a sweet, happy soul”.
More Than a One‑Woman Show
Kelley came from a creative family. She graduated from Chapman University’s Dodge College in 2014 with a cinematography degree. She teamed up with her mom to co‑write scripts like On The Black, inspired by their grandparents’ college baseball days. And her younger brother, Parker Mack, is also an actor—you might know him from Faking It or Chasing Life.
Final Chapter & Remembering Kelley
Kelley’s life, a memorial planned by her family, will be held at the Glendale Lyceum, 865 Congress Avenue, Glendale, Ohio on August 16 at 1:00 pm. The family is also planning a celebration of Kelly’s life for a future date in Los Angeles for her friends and colleagues in the area.
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Lasting Legacy
Kelley Mack may have flown under the mainstream radar, but those who knew her work know her light was brighter than most. She didn’t just act—she created, she shared, she inspired. The way she documented her illness showed raw honesty, and she still found the strength to live creatively. That was a gift.
If you want to embed videos or quotes from her family’s IG post or highlight her podcast interviews, now is the time. And maybe keep an eye out for fans sharing butterfly sightings online—because those are more than coincidences now.
FAQs About Kelley Mack: Life, Career, and Legacy
Who was Kelley Mack?
Kelley Mack was an American actress best known for her role as Addy in Season 9 of The Walking Dead. She also appeared in Chicago Med, 9-1-1, and several indie films, including Broadcast Signal Intrusion and The Archer. She was also a writer and cinematographer, graduating from Chapman University’s Dodge College.
How did Kelley Mack die?
Kelley Mack passed away at the age of 33 after battling a rare and aggressive brain cancer called diffuse midline glioma. She was diagnosed in late 2024 and openly documented her treatment journey online, inspiring many with her strength and transparency.
When did Kelley Mack die?
Kelley Mack died on August 2, 2025, in Cincinnati, Ohio. Her passing was announced by her family on Instagram, with tributes pouring in from fans, friends, and co-stars.
Was Kelley Mack married or dating anyone?
At the time of her passing, Kelley Mack was in a relationship with her long-time partner Logan Lanier. The couple often appeared in each other’s social media posts and supported one another through her illness.
What are fans and celebrities saying about Kelley Mack’s death?
Tributes from fans and celebrities described Kelley as a “bright light” and “incredible human.” Walking Dead co-star Alanna Masterson, director Michael Satrazemis, and actor Gustavo Gomez were among those who shared heartfelt messages on social media.
What was Kelley Mack’s most famous role?
Her breakout role was Addy in The Walking Dead, where she was featured in Season 9. Though her time on the show was brief, she made a lasting impression on fans of the series.
Will there be a memorial for Kelley Mack?
Yes, a memorial service is scheduled for August 16, 2025, in Ohio, with a larger celebration of her life expected to be held later in Los Angeles. Details are being shared by her family through social media.
