Holliday Grainger has been cast in Disney’s Cinderella as Cinderella’s step sister.

MV5BMTQ0NzQzMzE4NF5BMl5BanBnXkFtZTcwNjEyNzkzNw@@._V1._SX640_SY960_

Grainger is best known for her role as Lucrezia Borgia in the Borgias. Grainger will join Downton Abbey star Lily James and Game of Thrones star Richard Madden in Disney’s live action adaptation of Cinderella.