Nyong ' o 's casting was announced Monday . Following the announcement `` Game of Thrones '' star also joining cast . The show is based on the book series by George R.R. Martin and will be executive produced by David Benioff, D.B. Weiss, Matthew Weiner, Peter Dinklage, Emilia Clarke, Kit Harington
Nyong ' o 's casting was announced Monday . `` Game of Thrones '' star also joining cast . The show is based on the book series by George R.R. Martin and will be executive produced by David Benioff, D.B. Weiss, Matthew Weiner, Peter Dinklage, Emilia Clarke, Kit Harington