Lupita Nyong'o joins 'Star Wars' cast

Three months after winning an Oscar, Lupita Nyong'o is going to a galaxy far, far away.

 The Walt Disney Co. announced Monday that Nyong'o is joining the cast of "Star Wars: Episode VII." 

The 31-year-old actress became a breakthrough star for her award-winning performance in "12 Years a Slave." 

Also added to the cast wasGwendoline Christie, best known for playing the hulking Brienne of Tarthon HBO's "Game of Thrones." 

When the principal cast of "Episode VII" was announced last month, the lack of women raised some eyebrows. Nyong'o and Christie join an ensemble that includes John Boyega, DaisyRidley,Adam Driver, Oscar Isaac and Andy Serkis.