Dame Diana Rigg

Dame Diana Rigg Joins 'Victoria' for Season 2

Dame Diana Rigg as Olenna Tyrell on "Game of Thrones" (Photo: HBO)

Big news for Victoria fans! Acting legend Dame Diana Rigg is officially joining the cast for the period drama’s second season, making an already buzzy series even more exciting.

Rigg is probably best known these days for playing the sharp-tongued Lady Olenna Tyrell on HBO megahit Game of Thrones. (Think a more medieval, weaponized sort of Dowager Countess from Downton Abbey, if you’re not familiar with the show.) But her acting resume is massive – and extremely impressive – including everything from Bleak House to The Mrs. Bradley Mysteries to her starring role as the original Emma Peel in The Avengers. In short: Dame Diana is incredible. 

But who will she be playing?