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

Rose Portillo

Spanish Girl

Ken Renard

Abbot

Hank Garrett

Conductor

Richard Paul

Man on the Plane

Marianne Muellerleile

Patient (uncredited)

Dana Plato

Sandra Phalor (uncredited)