Biography
Carlotta Mercedes McCambridge (March 16, 1916 – March 2, 2004) was an American actress. 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 the demon ¨Pazuzu¨ in ¨The Exorcist¨ (1973).
Description above from the Wikipedia article Mercedes McCambridge, licensed under CC-BY-SA, full list of contributors on Wikipedia Read more:
Filmography
Cast Credits

The Other Side of the Wind
Character: Maggie Noonan
MOVIE • 2018

The Story of Film: An Odyssey
Character: Self
TV • 2011

Family Dog
Character: Miss Lestrange
MOVIE • 1988

Amazing Stories
Character: Miss Lestrange (voice)
TV • 1985
Lyman H. Howe's High Class Moving Pictures
Character: Narrator (voice)
MOVIE • 1983

Cagney & Lacey
Character:
TV • 1982

Echoes
Character: Lillian Gerben
MOVIE • 1982

Magnum, P.I.
Character: Agatha Kimball
TV • 1980
Hagen
Character:
TV • 1980

The Concorde... Airport '79
Character: Nelli
MOVIE • 1979

The Sacketts
Character: Ma Sackett
TV • 1979

Flying High
Character:
TV • 1978

Thieves
Character: Street Lady
MOVIE • 1977

Charlie's Angels
Character: Norma
TV • 1976

Who Is the Black Dahlia?
Character: Grandmother
MOVIE • 1975
Khan!
Character:
TV • 1975

The Exorcist
Character: Demon (voice)
MOVIE • 1973

The President's Plane Is Missing
Character: Hester Madigan
MOVIE • 1973

The Girls of Huntington House
Character: Doris McKenzie
MOVIE • 1973

Sixteen
Character: Mother
MOVIE • 1972