Carabinieri Colonel Dante Matucci

Franco Nero

Bruno Manzini

Anthony Quinn

Navy Capt. Steffanelli

Martin Balsam

Lili Anders

Sybil Danning

Elena Leporello

Claudia Cardinale

Prince Baldasar

Christopher Lee

Major Carl Malinowski, USMC

Cleavon Little

General Leporello

Eli Wallach

The Surgeon

Paul L. Smith

Captain Roditi

John Steiner

Carabinieri Major Giorgione

Renzo Palmer

Princess Faubiani

Anita Strindberg

Captain Rigoli

Marino Mase

Woodpecker

Jacques Herlin

Major General Pantaleone

Fortunato Arena

Princess Baldasar (uncredited)

Gita Lee

Minister of Defence

Andre Eszterhazy

Concierge

John Stacy

Minister of Defense

Andrea Esterhazy

Captain Roditi (voice) (uncredited)

Larry Dolgin

Assassin

Massimo Ciprari

Gianni Bandanelli, Pantaleone's Lawyer (uncredited)

Tony Brandt

Hitman (uncredited)

Omero Capanna

Party Guest of Manzini's (uncredited)

Attilio Dottesio

Man at Funeral (uncredited)

Tom Felleghy

Man at Funeral (uncredited)

Alfonso Giganti

Wife of Minister of Defense (uncredited)

Margherita Horowitz

Princess Baldasar (uncredited)

Gitte Lee

Manzini's Bodyguard (uncredited)

Nello Pazzafini

Banquet Guest (uncredited)

Amedeo Salamon

Man at Pantaleone's funeral (uncredited)

Frank Nuyen