Franco Nero character Carabinieri Colonel Dante Matucci
Anthony Quinn character Bruno Manzini
Martin Balsam character Captain Steffanelli
Claudia Cardinale character Elena Leporello
Sybil Danning character Lili Anders
Christopher Lee character Prince Baldasar, the Director of Counterintelligence
Cleavon Little character Major Carl Malinowski, USMC
Paul L. Smith character The Surgeon
John Steiner character Captain Roditi
Eli Wallach character General Leporello
Renzo Palmer character Carabinieri Major Giorgione
Anita Strindberg character Princess Faubiani
Marino Masé character Captain Rigoli
Jacques Herlin character Woodpecker
Fortunato Arena character General Pantaleone
John Stacy character Concierge
Andrea Esterhazy character Minister of Defense
Larry Dolgin character Captain Roditi (voice) (uncredited)
Tony Brandt character Gianni Bandanelli, Pantaleone's Lawyer (uncredited)
Omero Capanna character Hitman (uncredited)
Attilio Dottesio character Party Guest of Manzini's (uncredited)
Tom Felleghy character Man at Funeral (uncredited)
Alfonso Giganti character Man at Funeral (uncredited)
Margherita Horowitz character Wife of Minister of Defense (uncredited)
Gitte Lee character Princess Baldasar (uncredited)
Nello Pazzafini character Manzini's Bodyguard (uncredited)
Amedeo Salamon character Banquet Guest (uncredited)