Ellen Burstyn ...Chris MacNeil
Max von Sydow ...Father Merrin
Lee J. Cobb ...Lt. William F. Kinderman
Kitty Winn ...Sharon Spencer
Jack MacGowran ...Burke Dennings
Jason Miller ...Father Damien Karras
Linda Blair ...Regan MacNeil
Reverend William O'Malley ...Father Dyer
Barton Heyman ...Dr. Klein
Peter Masterson ...Barringer, clinic director
Rudolf Schündler ...Karl
Gina Petrushka ...Willi
Robert Symonds ...Dr. Taney
Arthur Storch ...Psychiatrist
Reverend Thomas Bermingham ...President of University
Vasiliki Maliaros ...Karras' Mother
Titos Vandis ...Karras' Uncle
Wallace Rooney ...Bishop Michael
Ron Faber ...Chuck, assistant director
Donna Mitchell ...Mary Jo Perrin
Roy Cooper ...Jesuit Dean
Robert Gerringer ...Senator at Party
Mercedes McCambridge ...Pazuzu
Mary Boylan ...First Mental Patient
Richard Callinan ...Astronaut
Mason Curry
Yvonne Jones ...Bellevue Nurse
John Mahon ...Language Lab Director
Father John Nicola ...Priest
Vincent Russell ...Subway Vagrant
