Vincenzo 'hunchback' plans a robbery on a armored police van with his gang. Once the job is done, his gang try to kill him and absconds with the loot. Vincenzo hides in the sewers before looking up his friend Monezza who the police later interrogate for his involvement with vincenzo. Meanwhile, Vincenzo is getting revenge on his gang by killing them off one at the time in his various brutal ways.
as Vincenzo Marazzi 'Il Gobbo' / Sergio Marazzi 'Er Monnezza'
as Commissario Sarti
as Maria - prostitute
as Commissario Valenzi
as Milo Dragovic 'Albanese'
as Adalberto Maria Perrone
as Marika Engver - embassy clerk
as Mario Di Gennaro - 'Sogliola'
as The Bespectacled Psychiatrist
as Commissioner Mingozzi
as Faina' - Gobbos friend
as Giggi - Gobbo's friend
as Agente Romeo Esposito
as Carmine Ciacci
as The Chief Psychiatrist
as Hitman
as Questore
as Borgatara
as Chauffeur
as Romolo
as Nightclub Customer (uncredited)
as Arrested Criminal (uncredited)
as Benito Giua (uncredited)
as (uncredited)
