Michael Nostrand
Lucy Hudson
Garamond
Agent Wilcox
Astrologer La Font
Bill MacNulty (as Eugene Davis)
Joe Pilton (as Dave Brown)
John Doe
Disciple Madoc
Apprentice Mercurin
Red Mabus
White Mabus
Male Mabus
Female Mabus
Agent Curtis
Beat Cop
Mother
Older Priest
Coroner
Music Teacher
Mrs. Cohen
Torturer (as Henry Van Dijk)
Doctor (as Patsey Ulmer)
Female FBI Agent
Waiter Joe
Truck Driver
Lisa Pilton
Apprentice Torturer
Investigator (uncredited)
Catatonic (uncredited)