Kelley Mack dead at 33: 'Walking Dead' actress 'passed peacefully' of complications from glioma, her family says

Kelley Mack, an actress best known for her role as Addy on the television series The Walking Dead, died last weekend, her family announced on Tuesday. She was 33. Mack was diagnosed with glioma, an aggressive tumor that affects the central nervous sy... [4016 chars]