Carabinieri Colonel Dante Matucci
Franco Nero
Bruno Manzini
Anthony Quinn
Carabinieri Major Giorgione
Renzo Palmer
Princess Faubiani
Anita Strindberg
Captain Rigoli
Marino Masé
Woodpecker
Jacques Herlin
General Pantaleone
Fortunato Arena
Concierge
John Stacy
Minister of Defense
Andrea Esterhazy
Captain Roditi (voice) (uncredited)
Larry Dolgin
Gianni Bandanelli, Pantaleone's Lawyer (uncredited)
Tony Brandt
Hitman (uncredited)
Omero Capanna
Captain Steffanelli
Martin Balsam
Party Guest of Manzini's (uncredited)
Attilio Dottesio
Man at Funeral (uncredited)
Tom Felleghy
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
Elena Leporello
Claudia Cardinale
Lili Anders
Sybil Danning
Prince Baldasar, the Director of Counterintelligence
Christopher Lee
Major Carl Malinowski, USMC
Cleavon Little
The Surgeon
Paul L. Smith
Captain Roditi
John Steiner
General Leporello
Eli Wallach
Stunts
Angelo Ragusa
Original Music Composer
Jerry Goldsmith
Producer
Erwin C. Dietrich
Adaptation
Rod Serling
Co-Producer
Renzo Rossellini
Director of Photography
Marcello Gatti
Novel
Morris L. West
Editor
Katina Zinner
Executive Producer
William R. Forman
Claudio M. Cutry
Writer
Robert Katz
Paul Maslansky
Screenplay
Director
Peter Zinner
Art Direction
Giantito Burchiellaro
Costume Design
Fabrizio Caracciolo
Production Manager
Joe Pollini
Title Designer
Wayne Fitzgerald
Assistant Editor
Patrizia Ceresani
Sound
Tonino Testa
Electrician
Stefano Marino
Assistant Director
Construction Manager
Fernando Valento