Justice Jonathan Ford
Gunther
Archibald Williams
Valkos
Pietro d'Assisi
Professor Olster
General
Black One
Dr. Obrero / Dr. Butcher (US version)
Roman Soldier
Mr. Slider
Major Hagerty
Exorcist
Flertcher
SS Officer
Sgt. Stricker
Donald McKenzie
Burt Craven
Caldwell
Professor Riccardo Rossi
Sheriff of Salt Flat
Liverpool
Inspector
Collins (as Donal O'Brien)
Lester O'Hara
Burt Jones
Lee Rast
Jack Forest
Captain Ned Carter
Daniel Cassidy
Plotting German Officer (uncredited)
Wallace Bennett
American Officer
Un visiteur de la galerie
Mafia Thug
L'officier anglais
Schwartz
