Netflix’s Emmy-winning historical drama about the royal family will return in 2022.
The 65-year-old star will be the third actress to play the royal matriarch, following Olivia Colman and Claire Foy.
The English actress talks to ET about starring in the true-crime Britbox series and her upcoming role in 'The Crown.'
Series newcomer Imelda Staunton as well as creator Julian Fellowes open up to ET about working with the screen legend.