Has been an year since Pietro Zinni's gang got caught in the Sopox production laboratory and each of them locked up in different jails. From Regina Coeli jail, Pietro keep warning the authorities a fool syntetized nerve gas and he is ready to make a killing, but no one takes him seriously.
as Pietro Zinni
as Mattia Argeri
as Arturo Frantini
as Bartolomeo Bonelli
as Alberto Petrelli
as Giorgio Sironi
as Andrea De Sanctis
as Giulio Bolle
as Vittorio
as Lucio Napoli
as Angelo Seta
as Walter Mercurio
as Paola Coletti
as Giulia
as Commissario Galatro
as Murena
as Camilla Seta
as Assessore - Ministro Pallazzo
as Alice Gentili
as Fabio
as Ginevra
as Uomo Mercurio
as Operaio Murena
as Assicuratore
as Psichiatria Marcelli
as Secondino Maurizio
as Detenuto Inserviente
as Secondino Colpa
as Secondino Violenza
as Detenuto Zingaro
as Maurizio
as Buttafuori Aula Magna
as Uomo Mercurio #2
as Detenuto Ragioniere