Convict (uncredited)
A police inspector is called to Milan to investigate a murder case since he grew up in the same ghetto as the suspect.
Prison Warden (uncredited)
Undercover cop Nico Giraldi travels to New York and Las Vegas to find a crooked cop who gave his squadron back in Italy a bad name.
Passerby who calls the Police (uncredited)
An American writer living in Rome witnesses an attempted murder that is connected to an ongoing killing spree in the city, and conducts his own investigation despite himself and his girlfriend being targeted by the killer.
(uncredited)
Italy, 1972. Political elections are taking place and Christian Democrat victory is expected; but the electronic computer of the Ministry of the Interior reveals that the party with the highest number is the Italian Communist Party.