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

The Walking Dead's Kelley Mack has died at the age of 33 after being diagnosed with astrocytoma in January.

Kelley Mack — the actress who appeared as Addy on season nine of "The Walking Dead" — died following a battle with a rare form of cancer. She was 33.

Kelley Mack, who played Hilltop resident Addy on 'The Walking Dead' and appeared in Dr Pepper's 'Fansville' ads, dies of a rare form of cancer at age 33.

Kelley Mack, an actress best known for her work on the horror series “The Walking Dead,” has died at age 33.

Kelley Mack, who was best known for her role as Addy on the hit TV series “The Walking Dead,” died in Cincinnati last weekend, her family announced on Tuesday. She was 33. The cause was an ...

Kelley Mack died at the age of 33, and 'The Walking Dead' fans are asking what her cause of death was since the actress was so young. Learn more here.

Actress Kelley Mack, known for her appearance in post-apocalyptic zombie drama “The Walking Dead,” has died. She was 33.

Actress Kelley Mack, known for her roles in “The Walking Dead” and “Chicago Med,” died on Saturday.

Actress Kelley Mack, known for her appearance in post-apocalyptic zombie drama “The Walking Dead,” has died. She was 33.