Obsada:

• George C. Scott Lt. William 'Bill' Kinderman
• Ed Flanders Father Joseph Kevin Dyer
• Brad Dourif James Venamun / The Gemini Killer
• Jason Miller Father Damien Karras / Patient X
• Nicol Williamson Father 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. Father Kanavan
• Sherrie Wills Julie Kinderman
• Edward Lynch Patient A
• Clifford David Dr. Bruno
• Alex Zuckerman Korner Boy
• Lois Foraker Nurse Merrin
• Tyra Ferrell Nurse Blaine
• James Burgess Thomas Kintry
• Kevin Corrigan Altar Boy
• Peggy Alston Mrs. Kintry
• John Durkin Elderly Jesuit
• Bobby Deren Nurse Bierce
• Jan Neuberger Alice
• Alexis Chieffet Counter attendant
• Debra Port Kelnerka
• Walt MacPherson Police Sergeant
• David Dwyer Police Officer #2
• Danny Epper Police Driver
• William Preston Old Man in Wheelchair
• Chuck Kinlaw Attendant
• Demetrios Pappageorge Casperelii
• Nina Hansen Little Old Lady
• Shane Wexel Boy #1 in Dream
• Ryan Paul Amick Boy #2 in Dream
• John Coe Old Man in Dream
• Jodi Long Woman #1 in Dream
• Kathy Gerber Woman #2 in Dream
• Samuel L. Jackson Blind Man in Dream
• Jan Smook Radio Man
• Amelia Campbell Young Girl in Dream
• Cherie Baron Pielęgniarka
• Larry King On sam
• Dr. C. Everett Koop On sam
• Patrick Ewing Angel of Death
• Clinton Brandhagen Young Boy in Dream
• Michael Criscuolo Mental Patient
• Colleen Dewhurst Satan
• Fabio Fabio Angel
• Randy Aaron Fink Student
• Jeff Henry Angel
• Patt Noday Hospital Ward Priest
• Manley Pope Angel
• John Thompson Himself - Georgetown Hoyas Basketball Coach
• Brad Waller Asylum Inmate