FOR THE RECORD
An earlier version of this post said that Lupita Nyong'o had won the Oscar for lead actress. It was for supporting actress.
The two join newcomer Daisy Ridley and
"I could not be more excited about Lupita and Gwendoline joining the cast of 'Episode VII,'" Lucasfilm President Kathleen Kennedy said in a statement on starwars.com. "It's thrilling to see this extraordinarily talented ensemble taking shape."
Nyong'o, who became a breakout star and won the Oscar for supporting actress for her debut performance as the tortured field worker Patsey in
Christie, who plays the fan-favorite warrior Brienne of Tarth on "Game of Thrones," will also be seen on the big screen in the upcoming
Abrams is directing "Episode VII," the first of a planned trilogy, from a screenplay by him and Lawrence Kasdan. The film recently began production and is set to open Dec. 18, 2015.