Avatar sequels cast Oona Chaplin from Game of Thrones and Black Mirror June 21, 2017 The Taylor Network no comment on Avatar sequels cast Oona Chaplin from Game of Thrones and Black Mirror Chaplin will play Varang, a strong and vibrant central character who will be featured in all three of the films in the trilogy but no word on what exactly on how. Share this:TwitterFacebookLinkedInPinterestRedditTumblrLike this:Like Loading...