Max von Sydow

Father Lankester Merrin

Barton Heyman

Dr. Klein

Lee J. Cobb

Lt. Bill Kinderman

Ron Faber

Chuck / Demon (voice)

Jason Miller

Father Damien Karras

Ellen Burstyn

Chris MacNeil

Linda Blair

Regan MacNeil

William O'Malley

Father Joseph Kevin Dyer

Kitty Winn

Sharon Spencer

Peter Masterson

Dr. Barringer

Jack MacGowran

Burke Dennings

Rudolf Schündler

Karl

Gina Petrushka

Willi

Robert Symonds

Dr. Taney

Arthur Storch

Psychiatrist

Thomas Bermingham

Tom

Vasiliki Maliaros

Mary Karras

Titos Vandis

Uncle John

John Mahon

Language Lab Director

Wallace Rooney

Bishop Michael

Donna Mitchell

Mary Jo Perrin

Roy Cooper

Jesuit Dean

Robert Gerringer

Senator at Party

Mercedes McCambridge

Demon (voice)

William Friedkin

Director

Noel Marshall

Executive Producer