Millie Brady (Æthelflæd of Mercia in The Last Kingdom) may have joined the cast of House of the Dragon.

I suspect she's playing Aemma Arryn - based on the fact that on Instagram, she's following Paddy Considine (Viserys) and being followed by Fabien Frankel #HouseOfTheDragon pic.twitter.com/uEPsN6KNVb

— The Dragon Demands (@ADragonDemands) May 25, 2021