Father Philip Lamont
Regan MacNeil
Dr. Gene Tuskin
Father Lankester Merrin
Sharon Spencer
The Cardinal
Older Kokumo
Edwards
Liz
Spanish Girl
Mrs. Phalor
Deaf Girl
Young Kokumo
Young Monk
Abbot
Conductor
Accident Victim
Taxi Driver
Gary Tuskin
Linda Tuskin
Man on the Plane
Patient (uncredited)
Sandra Phalor (uncredited)
Singer (uncredited)
Pazuzu (uncredited)