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 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:
Cast

Touch of Evil
Gang Leader (uncredited)

Giant
Luz Benedict

All the King's Men
Sadie Burke

The Exorcist
Demon (voice)

Johnny Guitar
Emma Small

99 Women
Thelma Diaz

Echoes
Lillian Gerben

The Scarf
Connie Carter

Suddenly, Last Summer
Grace Holly

Cimarron
Mrs. Sarah Wyatt

A Farewell to Arms
Mrs. Van Campen

Lightning Strikes Twice
Liza McStringer

Angel Baby
Sarah Strand

Who Is the Black Dahlia?
Grandmother

Inside Straight
Ada Stritch

The Girls of Huntington House
Doris McKenzie

Run Home Slow
Nell Hagen

Marquis de Sade: Justine
Madame Dusbois
Lyman H. Howe's High Class Moving Pictures
Narrator (voice)

The Counterfeit Killer
Frances

Sixteen
Mother

Thieves
Street Lady

Killer by Night
Sister Sarah

The Other Side of the Wind
Maggie Noonan

The Concorde... Airport '79
Nelli

The President's Plane Is Missing
Hester Madigan

Two for the Money
Mrs. Castle

Family Dog
Miss Lestrange