After studying drama at the Bristol Old Vic Theatre School for two years followed by three years at the Royal Shakespeare Company, her first significant role was as Jane Fairfax in the British television film Emma (1996), based on Jane Austen's novel. She made her film debut in 1997's The Postman, followed by Rushmore (1998) and The Sixth Sense (1999). Williams then appeared in several British films, including Lucky Break (2001), The Heart of Me (2002) and An Education (2009). She played Mrs. Darling in the 2003 film adaptation of Peter Pan, and was uncredited for her role as Dr. Moira MacTaggert in the 2006 film X-Men: The Last Stand.
On TV, Williams portrayed British author Jane Austen in Miss Austen Regrets (2008) and was cast as Adelle DeWitt in Joss Whedon's Dollhouse, which ran on Fox from 2009 to 2010. In 2010, she won acclaim for her performance as Ruth Lang in Roman Polanski's film The Ghost Writer, winning the National Society of Film Critics Award, London Critics Circle Film Award for best supporting actress and was runner-up for best supporting actress at the Los Angeles Film Critics Association Awards 2010. From 2017 to 2018, she played Emily Silk on the science fiction thriller television series Counterpart.
Williams portrays Ms. Lavinia Bidlow in all the six episodes of the first part of season 1.
- Olivia Williams on Wikipedia