Kelley Mack, a film producer and actress who appeared in "The Walking Dead" and "Chicago Med," died after a brain cancer battle.

Kelley Mack, the American actress celebrated for her roles in The Walking Dead, Chicago Med, and 9-1-1, has died following a private and courageous battle with glioma, a rare and aggressive form of… The post Kelley Mack,

Kelley Mack, famous for her roles on "The Walking Dead" and "Chicago Med" has died of cancer at age 33. Her sister, Kathryn, announced Mack's passing Tuesday on Mack's Instagram page. Mack died Saturday according to the post.