George C. Scott

Lt. William 'Bill' Kinderman

Ed Flanders

Vater Joseph Kevin Dyer

Brad Dourif

The Gemini Killer / James Venamun

Jason Miller

Patient X (Vater Damien Karras)

Nicol Williamson

Vater Paul Morning

Scott Wilson

Dr. Temple

Nancy Fish

Nurse Allerton

George DiCenzo

Stedman

Don Gordon

Ryan

Lee Richardson

University president

Grand L. Bush

Sgt. Atkins

Mary Jackson

Mrs. Clelia

Viveca Lindfors

Nurse X

Ken Lerner

Dr. Freedman

Tracy Thorne

Nurse Keating

Barbara Baxley

Shirley

Zohra Lampert

Mary Kinderman

Harry Carey Jr.

Vater Kanavan

Sherrie Wills

Julie Kinderman

und andere...