The Tool Desk
Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Kelley Mack, who played Addy in season 9 of The Walking Dead, died on August 2, 2025, at age 33. News reports citing her family’s announcement said she had been battling glioma of the central nervous system.
When Kelley Mack died and what her family said
Mack died in Cincinnati on August 2, 2025. Her family’s announcement was reported on August 5. The Los Angeles Times reported that she died after battling glioma of the central nervous system and that her mother and aunt were with her when she passed peacefully.
![The Walking Dead: Daryl Dixon - Season 3 [Blu-Ray]](https://m.media-amazon.com/images/I/51Sqtqh1xUL._SL160_.jpg)
The family wrote: “It is with indelible sadness that we are announcing the passing of our dear Kelley. Such a bright, fervent light has transitioned to the beyond, where we all eventually must go.”
Her role in The Walking Dead
Mack played Addy in season 9 of AMC’s The Walking Dead, a role that brought her to the attention of the series’ audience. The Los Angeles Times obituary also notes appearances in 9-1-1 and Chicago Med.
#1 Best Overall
Career beyond television
Born Kelley Lynne Klebenow in Cincinnati on July 10, 1992, Mack earned a cinematography degree from Chapman University’s Dodge College of Film in 2014 before moving to Los Angeles, according to the Los Angeles Times. Her work included commercials, including Dr Pepper’s “Fansville” campaign, and voice-over spots for Hyundai Ioniq, Budweiser and Credit Karma.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What was reported about her illness
News coverage said Mack had glioma of the central nervous system. The Los Angeles Times reported that she had described symptoms beginning the previous fall and a diagnosis of diffuse midline glioma in late November. TV Insider reproduced an earlier first-person account in which Mack discussed the diagnosis and its effects on her mobility; those details are her reported account, not an independent medical assessment.
Quick Recap
Best Value
- The Walking Dead: The Ones Who Live - Season 1 - Steel Book [Blu-Ray]
Rank #4
![The Walking Dead: Dead City - Season 2 [Blu-Ray]](https://m.media-amazon.com/images/I/51FefIa+17L._SL160_.jpg)
- The Walking Dead: Dead City - Season 2 [Blu-Ray]
Rank #2
- Genre: TV Horror
- Number of Tracks: 0
- Playback Duration: 5130
- Rating: TVMA
- Number of Movies: 0
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
