Actress who first rose to fame for her supporting role in 2000's What Lies Beneath. She also played Éowyn, Lady of Rohan, in The Lord of the Rings: The Two Towers and The Lord of the Rings: The Return of the King.
Her acting career started with minor roles in Initiation in 1987 and The 13th Floor in 1988.
She played the character Maddy Dean in the 2014 TV series Rake.
She met her future husband, Peter O'Brien, while performing in the play A Doll's House. She and Peter have a daughter named Darcey.
She became pregnant while filming the 2005 Tom Cruise science fiction film, War of the Worlds.