Academy Award for Best Supporting Actress

1949

Mercedes McCambridge 

as

Sadie Burke

All the King's Men

Carlotta Mercedes Agnes McCambridge  (March 16, 1916 – March 2, 2004) was an American actress of radio, stage, film, and television. Orson Welles called her "the world's greatest living radio actress." She won an Academy Award for Best Supporting Actress for All the King's Men (1949) and was nominated in the same category for Giant (1956). She also provided the voice of Pazuzu in The Exorcist (1973).