Richard Burton
Father Philip Lamont
Linda Blair
Regan MacNeil
Louise Fletcher
Dr. Gene Tuskin
Max von Sydow
Father Lankester Merrin
Kitty Winn
Sharon Spencer
Paul Henreid
The Cardinal
James Earl Jones
Older Kokumo
Ned Beatty
Edwards
Belinda Beatty
Liz
Rose Portillo
Spanish Girl
Barbara Cason
Mrs. Phalor
Tiffany Kinney
Deaf Girl
Joey Green
Young Kokumo
Fiseha Dimetros
Young Monk
Ken Renard
Abbot
Hank Garrett
Conductor
Lorry Goldman
Accident Victim
Bill Grant
Taxi Driver
Shane Butterworth
Gary Tuskin
Joely Adams
Linda Tuskin
Richard Paul
Man on the Plane
Marianne Muellerleile
Patient (uncredited)
Dana Plato
Sandra Phalor (uncredited)
Kelley Karel
Singer (uncredited)
Karen Knapp
Pazuzu (uncredited)