An Australian actress. 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.