Cate Blanchett won multiple acting Oscars.
Her portrayal of Katharine Hepburn in Martin Scorsese 's 2004 film The Aviator brought her critical acclaim and many accolades , including the Academy Award for Best Actress in a Supporting Role , making her the only actor to win an Oscar for portraying another Oscar-winning actor .	many accolades	Cate Blanchett#Awards and achievements	Academy Award	Academy Award	Academy Award for Best Actress	Academy Award for Best Actress	Katharine Hepburn	Katharine Hepburn	Martin Scorsese	Martin Scorsese	The Aviator	The Aviator (2004 film)	Best Actress in a Supporting Role	Academy Award for Best Supporting Actress
