George DiCenzo

Stedman

Lee Richardson

University President

Scott Wilson

Dr. Temple

Grand L. Bush

Sergeant Atkins

Brad Dourif

James Venamun / The Gemini Killer

Barbara Baxley

Shirley

Don Gordon

Ryan

James G. Robinson

Executive Producer

Jason Miller

Father Damien Karras / Patient X

Harry Carey, Jr.

Father Kanavan

Joe Roth

Executive Producer

Nicol Williamson

Father Morning

George C. Scott

Lt. William 'Bill' Kinderman

Ken Lerner

Dr. Freedman

Clifford David

Dr. Bruno

Tyra Ferrell

Nurse Blaine

Ed Flanders

Father Joseph Kevin Dyer

Nancy Fish

Nurse Allerton

Alex Zuckerman

Korner Boy

Lois Foraker

Nurse Merrin

Mary Jackson

Mrs. Clelia

Viveca Lindfors

Nurse X

Sherrie Wills

Julie Kinderman

Zohra Lampert

Mary Kinderman

Tracy Thorne

Nurse Keating

Edward Lynch

Patient A

William Peter Blatty

Director