Cate Blanchett is an actress.
Cate Blanchett . Blanchett is one of only six actors , and the only actress , to receive Academy Award nominations for portraying the same role in two films , accomplished in her case by portraying Queen Elizabeth I . Her main role in a big-budget movie was as Galadriel in Peter Jackson 's The Lord of the Rings trilogy ( 2001 -- 03 ) and The Hobbit trilogy ( 2012 -- 14 ) .