Tomas Milian

~ as ~

Vincenzo Marazzi 'Il Gobbo' / Sergio Marazzi 'Er Monnezza'

Pino Colizzi

~ as ~

Commissario Sarti

Isa Danieli

~ as ~

Maria - prostitute

Mario Piave

~ as ~

Commissario Valenzi

Sal Borgese

~ as ~

Milo Dragovic 'Albanese'

Luciano Catenacci

~ as ~

Adalberto Maria Perrone

Solvi Stübing

~ as ~

Marika Engver - embassy clerk

Guido Leontini

~ as ~

Mario Di Gennaro - 'Sogliola'

Francesco D'Adda

~ as ~

The Bespectacled Psychiatrist

Fulvio Mingozzi

~ as ~

Commissioner Mingozzi