An Italian policeman investigates a series of murders involving people in prominent positions. Left behind at each murder scene is a drawing of a salamander. The policeman begins to suspect these murders are linked to a plot to seize control of the government.
Franco Nero
as Carabinieri Colonel Dante Matucci
Anthony Quinn
as Bruno Manzini
Martin Balsam
as Captain Steffanelli
Claudia Cardinale
as Elena Leporello
Sybil Danning
as Lili Anders
Christopher Lee
as Prince Baldasar, the Director of Counterintelligence
Cleavon Little
as Major Carl Malinowski, USMC
Paul L. Smith
as The Surgeon
John Steiner
as Captain Roditi
Eli Wallach
as General Leporello
Renzo Palmer
as Carabinieri Major Giorgione
Anita Strindberg
as Princess Faubiani