Mercedes McCambridge

Carlotta Mercedes McCambridge (March 16, 1916 – March 2, 2004) was an American actress. Orson Welles called her "the world' s greatest living radio-schauspielerin". 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 the dämon Pazuzu in The Exorcist (1973).