Last Updated on 2 months by Vijay Kumar
Kelley Mack (née Kelley Klebenow) was an American actress, producer, and voice‑over artist celebrated for her roles in The Walking Dead, Chicago Med, and other TV and indie films. Beloved for her warmth, creativity, and storytelling spirit, she passed away at just 33 years old after battling a rare neurological cancer.
| Full Name | Kelley Lynne Klebenow |
|---|---|
| Stage Name | Kelley Mack |
| Birth Year | 1992 |
| Birthplace | Cincinnati, Ohio, USA |
| Profession | Actress, Voice-over Artist, Producer |
| Known For | The Walking Dead (Addy), Chicago Med (Penelope Jacobs) |
| Education | Chapman University, Dodge College – B.A. in Cinematography |
| Years Active | 2014–2025 |
| Death | August 2, 2025, Cincinnati, Ohio, USA |
| Cause of Death | Diffuse Midline Glioma (rare brain cancer) |
Kelley Mack – Early life
Kelley Mack, born in Cincinnati, Ohio, in 1992, was raised in a supportive family where her father worked in business and her mother in real estate. She attended Hinsdale Central High School, graduating in 2010, and later earned a bachelor’s degree in cinematography from Chapman University’s prestigious Dodge College in 2014. Her passion for storytelling began early when a childhood camcorder gift ignited her love for creating stories, leading her to explore acting through commercials before transitioning into film and television.
Kelley Mack – Career
After graduating, Kelley Mack moved to Los Angeles and built a dynamic career spanning over a decade across television, film, commercials, voice-over work, and production. She gained widespread recognition for her role as Addy in The Walking Dead (Season 9, 2018–2019), followed by appearances as Penelope Jacobs in Chicago Med (Season 8), in 9‑1‑1 (2019), and the popular podcast series The College Tapes. On the indie film front, she portrayed Alice in the psychological thriller Broadcast Signal Intrusion and starred as Wilda in the 2025 horror-comedy Delicate Arch. Kelley also lent her voice to major brands like Dr Pepper, Chick-fil-A, Dairy Queen, Ross, and Rakuten (one ad featuring her mother), and served as a voice match for Hailee Steinfeld’s Gwen Stacy in Spider‑Man: Into the Spider‑Verse. By the time of her passing, she had accumulated nearly 35 acting credits and five producing credits, leaving behind a vibrant and diverse artistic legacy.
Kelley Mack – Illness & Death
In September 2024, Kelley began experiencing severe neuropathic symptoms and spinal pain. MRI scans revealed a rare diffuse midline glioma a central nervous system tumor.
Treatment resulted in loss of use of her right leg and most of the left; she used a walker and wheelchair during her final months and kept fans updated via social media.
She passed away peacefully on August 2, 2025 in Cincinnati, surrounded by her mother and aunt.
Kelley Mack – Personal life
She was deeply connected to family: sister Kathryn, brother Parker (also an actor), mother Kristen, father Lindsay, and grandparents Lois and Larry Klebenow.
Collaborated creatively with her mother on screenplays, including On The Black — inspired by family history and shared storytelling passion.
My name is Vijay Kumar. I work as content writer and founder of this website. I am studying BSC IT. I has been writing content since 2022. I also learn about journalism.