Arnold Schwarzenegger
Jericho Cane
Gabriel Byrne
The Man
Robin Tunney
Christine York
Kevin Pollak
Bobby Chicago
CCH Pounder
Detective Margie Francis
Derrick O'Connor
Thomas Aquinas
David Weisenberg
OB-GYN
Rainer Judd
Christine's Mother
Miriam Margolyes
Mabel
Udo Kier
Head Priest
Luciano Miele
Pope's Advisor
Michael O'Hagan
Cardinal
Mark Margolis
Pope
Jack Shearer
Kellogg
Rod Steiger
Father Kovak
Eve Sigall
Old Woman
Victor Varnado
Albino
Robert Lesser
Carson
Lloyd Garroway
Utility Worker #1
Gary Anthony Williams
Utility Worker #2
John Nielsen
Hospital Cop
Jonny Bogris
Skateboarder
Elliot Goldwag
Thomas' Doctor
Elaine Corral Kendall
Anchor
Denice D. Lewis
Emily
Renee Olstead
Amy
Mo Gallini
Monk #1 / Intruder
Marc Lawrence
Old Man
Van Quattro
Satan Priest
Charles A. Tamburro
Helicopter Pilot
Lynn Marie Sager
Head Priest Wife
Linda Pine
Head Priest Daughter
David Franco
Assistant Priest
Steve Kramer
Businessman
Melissa Mascara
Businessman's Wife
John Timothy Botka
Cop at Thomas'
Walter von Huene
Motorman
Michael Rocha
Priest
Sven-Ole Thorsen
Thug
Sam Arnold
Parishioner (Sam) (uncredited)