A police lieutenant uncovers more than he bargained for as his investigation of a series of murders, which have all the hallmarks of the deceased Gemini serial killer, leads him to question the patients of a psychiatric ward.
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 Morning
Scott Wilson
Dr. Temple
Nancy Fish
Nurse Allerton
George DiCenzo
Stedman
Don Gordon
Ryan
Lee Richardson
University President
Grand L. Bush
Sergeant 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
Waitress
Walt MacPherson
Police Sergeant
David Dwyer
Second Police Officer
Danny Epper
Police Driver
William Preston
Old Man in Wheelchair
Chuck Kinlaw
Attendant
Demetrios Pappageorge
Casperelii
Nina Hansen
Little Old Lady
Shane Wexel
First Dream Boy (uncredited)
Ryan Paul Amick
Second Dream Boy (uncredited)
John Coe
Old Man in Dream (uncredited)
Jodi Long
First Dream Woman (uncredited)
Kathy Gerber
Second Dream Woman (uncredited)
Samuel L. Jackson
Dream Blind Man (uncredited)
Jan Smook
Radio Man (uncredited)
Amelia Campbell
Young Girl in Dream (uncredited)
Cherie Baron
Nurse
Larry King
Larry King
C. Everett Koop
Everett Koop
Patrick Ewing
Angel of Death
Clinton Brandhagen
Young Boy in Dream (uncredited)
Michael Criscuolo
Mental Patient (uncredited)
Cindy Cullom
Nurse (uncredited)
Colleen Dewhurst
Satan (voice) (uncredited)
Fabio
Angel (uncredited)
Randy Aaron Fink
Student (uncredited)
Jeff Henry
Angel (uncredited)
Patt Noday
Hospital Ward Priest (uncredited) (unconfirmed)
Manley Pope
Angel (uncredited)
John Thompson
John Thompson - Georgetown Hoyas Basketball Coach (uncredited)
59% 
57%
