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)

FILE - In this Sept. 20, 1972 file photo, British actress Diana Rigg and actor Anthony Hopkins attend the opening night of Macbeth at the National Theatre, London. Rigg plays Lady Macbeth opposite Hopkins' Macbeth in the Shakespearean tragedy. Actress Diana Rigg, who became a 1960s style icon as secret agent Emma Peel in TV series The Avengers, has died at age 82. (AP Photo/Bob Dear, File)LONDON Diana Rigg, a British actress who became a 1960s style icon as secret agent Emma Peel in TV series The Avengers, has died. Rigg starred in The Avengers alongside Patrick McNees bowler-hatted John Steed.