Olivia Haigh Williams (gebore 26 Julie 1968) is 'n Engelse aktrise. Sy is bekend vir haar rolle in die rolprente Rushmore (1998), The Sixth Sense (1999), An Education (2009), en The Ghost Writer (2010).
- 1997: The Postman
- 1998: Rushmore
- 1999: The Sixth Sense
- 2000: Four Dogs Playing Poker
- 2001: The Body
- 2001: Lucky Break
- 2001: The Man from Elysian Fields
- 2002: The Heart of Me
- 2003: To Kill a King
- 2003: Peter Pan
- 2008: Broken Lines
- 2008: Flashbacks of a Fool
- 2009: An Education
- 2010: The Ghost Writer
- 2011: Collaborator
- 2012: Hyde Park on Hudson
- 2013: The Last Days on Mars
- 2014: Sabotage
- 2014: Altar
- 2016: The White King
- 2009: Dollhouse
- 2014: Manhattan
- 2017: Counterpart
- 2004: Agatha Christie: A Life in Pictures
- 2006: Krakatoa: Volcano of Destruction
- 2006: Krakatoa Revealed
- 2007: Damage
- 2008: Miss Austen Regrets
- 2005: Making of: Valiant
- 2013: Creating the Stunning Costumes of Anna Karenina
- 2014: Sabotage: Alternate Endings:
- 2014: Sabotage: Deleted Scenes
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