Onder andere met: Franco Nero (Carabinieri Colonel Dante Matucci), Anthony Quinn (Bruno Manzini), Martin Balsam (Captain Steffanelli), Sybil Danning (Lili Anders), Christopher Lee (Prince Baldasar, the Director of Counterintelligence), Cleavon Little (Major Carl Malinowski, USMC), Paul L. Smith (The Surgeon), John Steiner (Captain Roditi), Claudia Cardinale (Elena Leporello), Eli Wallach (General Leporello), Renzo Palmer (Carabinieri Major Giorgione), Anita Strindberg (Princess Faubiani), Marino Masé (Captain Rigoli), Jacques Herlin (Woodpecker), Fortunato Arena (General Pantaleone), John Stacy (Concierge), Andrea Esterhazy (Minister of Defence), Massimo Ciprari (Assassin), Larry Dolgin (Captain Roditi (voice)), Tony Brandt , Gianni Bandanelli , Attilio Dottesio , Tom Felleghy , Margherita Horowitz , Gitte Lee , Nello Pazzafini