British actress Olivia Williams will star opposite Ben Barnes, Jeff Bridges and Julianne Moore. The film is an adaptation of a series of young adult books about a teen who learns the art of wizardry after discovering that he is the seventh son of a seventh son. The Seventh Son is produced by Thomas Tull, Basil Iwanyk and Lionel Wigram. Jon Jashni and Alysia Cotter will executive produce. Williams’ credits include Roman Polanski’s The Ghost Writer, The Sixth Sense, An Education, which earned her a SAG nomination, and Wes Anderson’s Rushmore. 

Williams will be seen this year playing Eleanor Roosevelt opposite Bill Murray and Laura Linney in the Focus Features film, Hyde Park On The Hudson and in Anna Karenina with Keira Knightley and Kelly Macdonald. Williams is represented by ICM and in the U.K. by Independent Talent Group.