The Queen of Thorns

Diana Rigg
Watch out, Maggie Smith. Lady Olenna Redwyne (Diana Rigg), grandmother of queen-to-be Margaery Tyrell, is every bit as sharp-tongued as the Countess of Grantham. But where Violet Crawley is kind-hearted, deep-down, this barb-thrower is a schemer. HBO
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