Olivia Haigh Williams born 26 July 1968 is a British actress who has appeared in British and American films and television Williams studied drama at the Bristol Old Vic Theatre School for two years followed by three years at the Royal Shakespeare Company Her first significant screen role was as Jane Fairfax in the British television film Emma 1996 based on Jane Austens novel She made her film debut in 1997s The Postman followed by Rushmore 1998 and The Sixth Sense 1999 Williams also acted in the British films Lucky Break 2001 The Heart of Me 2002 and An Education 2009 She continued acting in films such as The Ghost Writer 2010 Hanna 2011 Anna Karenina 2012 Hyde Park on Hudson 2012 Maps to the Stars 2014 Victoria Abdul 2017 and The Father 2020 From 2017 to 2019 she played Emily Silk in the science fiction television series Counterpart In 2022 Williams portrayed Camilla Parker Bowles in the Netflix historical drama The Crown in its fifth season a role she is set to reprise in its sixth and final season