The Killer
Ferguson
Prof. Brusco
Eric
Walcott's Accomplice
Hertz
Cesare Ettore
Professor Korenz
Heinz
Loris Poletti
George
Tommaso Lenzini
Frank
Gary
Scaife/Skede
Affatato
Anthony Stevens
Frankenstein's monster
Bill
Benigno Zaccagnini
La Rosa
Logan
Kottwitz
Pinkerton Man
Lemmy
Alessandro -The Painter
Canevari
Frank Madigan
Charlie
Albino
Shorty
Reverend's lead henchman
Augusto Lorenzini
Television director
Tenente Fritz Birzer
Sandro Bonetti
Scavino's Assassin
Anarchist
Proietti
DC Secretary
Colonnello
Dottore
Bice
Galvan
Poker Player (uncredited)
Paolo
Larry
Second officer in the train
Rod Fargas
-
John Kirk Lawford
Barrett
Maximiliano Rubín
President of the Court
Armando Feletti
L'autore
Barigazzi
Delmo Bulzamini
Colonnello Nepoti
Agostino
Trevi
Police Commissioner