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Miranda Otto  (born 16 December 1967) is an Australian actress. The daughter of actors Lindsay and Barry Otto and the sister of actress Gracie Otto, she began acting at age eighteen, and has performed in a variety of independent and major studio films.
Her first major film appearance was in the 1986 film Emma's War, in which she played a teenager who moves to Australia's bush country during World War II. After a decade of critically acclaimed roles in Australian films, she gained Hollywood's attention after appearing in supporting roles in The Thin Red Line (1998) and What Lies Beneath (2000). Her breakthrough role came in 2002, when she portrayed Éowyn in The Lord of the Rings trilogy. More recent work includes a starring role in the 2008 now-cancelled American television series Cashmere Mafia, and Australian films such as In Her Skin and Blessed (2009).

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