Cate Blanchett of 'The Aviator' is an Australian actress who won an Academy Award for her portrayal of Katharine Hepburn in the 2004 biopic. She also starred as the villainous elf queen in the Lord of the Rings trilogy and has appeared in numerous other films. Her four-letter crossword solution, CATE, stands for Catherine Elise Blanchett, her full name. Her three-letter solution, SEC, stands for her Screen Actors Guild membership.