Five years after Game of Thrones came to an end, George R.R. Martin teased a new project with Maisie Williams.

The "Wicked" star will be credited as Ariana Grande Butera in the film as a nod to her once-estranged father, Edward Butera.

Kevin Kline and Sacha Baron Cohen will also appear. Sophie Turner plays real-life jewel thief Joan Hannington, who must ...