Actress Kelley Mack's death came as a shock to those in her inner circle after she underwent treatment during her glioma battle. A rep for the Walking Dead alum told TMZ that her death was a "total" surprise, noting that Mack was auditioning for projects earlier in the summer. By July, Mack took a break from the audition circuit, but the rep said "no one expected" the news of her death. (A family source told the outlet that Mack made a "nice recovery" following her treatment earlier this year.