Catherine Élise "Cate" Blanchett born May 14, 1969 is an Australian actress who came to international attention for her role as Elizabeth I of England in the 1998 biographical film Elizabeth and its 2007 seque Elizabeth: The Golden Age. She is also well known for her roles as Galadriel in The Lord of the Rings and The Hobbit trilogies, and as Katharine Hepburn in Martin Scorsese's 2004 biographical drama film The Aviator, which earned her an Academy Award for Best Supporting Actress.

She played Lady Tremaine in the 2015 Disney live-action fantasy film Cinderella.