Anthony Quinn (Bruno Manzini)
Martin Balsam (Navy Capt. Steffanelli)
Sybil Danning (Lili Anders)
Fortunato Arena (Major General Pantaleone)
John Stacy (Concierge)
Franco Nero (Col. Dante Matucci)
Cleavon Little (Maj. Carl Malinowsky)
Christopher Lee (Director Baldassare)
Andre Eszterhazy (Minister of Defence)
Massimo Ciprari (Assassin)
John Steiner (Roditi)
Renzo Palmer (Girgione)
Anita Strindberg (Princess)
Marino Masé (Capt.Rigoli)
Jacques Herlin (Woodpecker)
Gita Lee (Actor/Actress)
Eli Wallach (Leporello)
Claudia Cardinale (Elena)
Paul L. Smith (The Surgeon)