Hollywood in Shock as Young Star Suddenly Passes—‘9-1-1’ and ‘The Walking Dead’ Actress Kelley Mack Dies at 33! What Really Happened in Her Final Days? Inside the Heartbreaking News, Unanswered Questions, and the Secret Struggles No One Knew About—Why Is the Entertainment World Reeling From This Tragic Loss? The Untold Story Behind the Headlines, Emotional Tributes Pouring In, and the Mystery Surrounding Her Sudden Departure—Is There More to This Devastating Farewell Than Meets the Eye? Fans and Friends Left Searching for Answers in the Wake of an Unimaginable Loss!

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Kelley Mack, an American TV actress who appeared in AMC’s “The Walking Dead,” “9-1-1” and “Chicago Med,” died on Aug. 2. She was 33.

Her family reported in a statement that Mack died in her hometown of Cincinnati after a battle with glioma of the central nervous system.

Mack graduated from Hinsdale Central High School in 2010, and earned a bachelor’s degree in cinematography from the Dodge College of Film at Chapman University in 2014. After receiving a mini video camera as a birthday gift, Mack began appearing in commercials as a child actor. She later earned an acting award from Tisch School of the Arts for her debut role in “The Elephant Garden,” a film that also won the Student Visionary Award at the Tribeca Film Festival in 2008.

Mack was best known for her work in television, which included playing Addy in Season 9 of “The Walking Dead” and Penelope Jacobs in Season 8 of “Chicago Med” and on FOX’s “9-1- 1.” Her film roles included Alice in “Broadcast Signal Intrusion,” Wilda in “Delicate Arch” and Ricky in the yet-to-be-released “Universal.”

Mack also worked as a screenwriter, working on projects with her mother, Kristen Klebenow. She worked on several full-feature scripts with her mother, including “On The Black,” a 1950s era college baseball story that is loosely based on her maternal grandparents, who attended Ohio University.

She is survived by her mother and father, Kristen and Lindsay Klebenow, sister Kathryn, brother Parker, and grandparents Lois and Larry Klebenow.