- Bud Spencer
- Inspector 'Flatfoot' Rizzo
- Adalberto Maria Merli
- Police Commissioner Tabassi
- Raymond Pellegrin
- Lawyer De Ribbis
- Juliette Mayniel
- Maria
- Mario Pilar
- Antonino Percuoco 'Manomozza'
- Enzo Cannavale
- Deputy Inspector Caputo
- Angelo Infanti
- Ferdinando Scarano 'O'Barone'
- Jho Jhenkins
- Jho - American soldier
- Salvatore Morra
- Peppino 'Il gobbo'
- Franco Angrisano
- Commissario
- Carla Mancini
- Restaurant Guest
- Enzo Maggio
- Gennarino
- Dominic Barto
- Tom Ferramenti
- Nino Vingelli
- Old Man of Camorra
- Vittorio Duse
- Police officer
- Roberto Alessandri
- Barone's Henchman
- Artemio Antonini
- (uncredited)
- Giancarlo Bastianoni
- Manomozza's Thug
- Eros Buttaglieri
- Naval Officer
- Omero Capanna
- O'Barone's Thug
- Ester Carloni
- Assunta
- Nestore Cavaricci
- Mafioso
- Alfonso Cavotti
- Chief Concierge
- Giovanni Cianfriglia
- Ship Thug
- Dante Cleri
- Owner of Disco
- Wladimir Daddi
- Thug in Tunis
- Roberto Dell'Acqua
- Jho's Slim Pal
- Giuliano Dell'Ovo
- Drug Thug
- Percy Hogan
- Ospite del bar che flirta con una bionda
- Ulla Johannsen
- Blonde Woman in Bar
- Giulio Maculani
- (uncredited)
- Emilio Messina
- (uncredited)
- Roberto Messina
- (uncredited)
- Franco Moruzzi
- Getaway Driver
- Nello Pazzafini
- (uncredited)
- Osiride Pevarello
- Thug with Beard
- Mimmo Poli
- (uncredited)
- Aldo Rendine
- School Caretaker
- Giacomo Rizzo
- Il sarto di Ferdinando Scarano
- Claudio Ruffini
- Friend of Jho
- Sergio Smacchi
- (uncredited)
- Pietro Torrisi
- Thug
- Franco Ukmar
- Manomozza's Thug
- Marcello Verziera
- Pusher / Ship Thug (uncredited)
