This image released by HBO shows Diana Rigg as Olenna Tyrell in a scene from "Game of Thrones." Rigg, who became a 1960s style icon as secret agent Emma Peel in TV series The Avengers, died Thursday, Sept. 10, 2020 at home with her family. Daughter Rachael Stirling said she died of cancer that was diagnosed in March. She was 82. (HBO via AP)

This image released by HBO shows Diana Rigg as Olenna Tyrell in a scene from "Game of Thrones." Rigg, who became a 1960s style icon as secret agent Emma Peel in TV series The Avengers, died Thursday, Sept. 10, 2020 at home with her family. (HBO via AP)LONDON – Diana Rigg, a commanding British actress whose career stretched from iconic 1960s spy series “The Avengers” to fantasy juggernaut “Game of Thrones,” has died. Rigg starred in “The Avengers” as secret agent Emma Peel alongside Patrick Macnee’s bowler-hatted John Steed. Rigg also starred in 1969 James Bond thriller “On Her Majesty’s Secret Service” as Tracy di Vicenzo, the only woman ever to marry, albeit briefly, Agent 007.