Helen Sloan / HBO Diana Rigg as Olenna Tyrell in the "Game of Thrones" episode "The Queen's Justice." Diana Rigg as Olenna Tyrell in the "Game of Thrones" episode "The Queen's Justice." This brings us to Lady Olenna Tyrell who, in an apparent adherence to custom, had to die once her home at Highgarden fell. “And the famous tart, Queen Cersei,” Olenna countered. Diana Rigg, right, with Natalie Dormer, in a Season 4 episode of "Game of Thrones."

Source: Los Angeles Times July 31, 2017 23:03 UTC