- Fabio Testi
- Fabio
- David Hemmings
- Mike Hamilton
- Sherry Buchanan
- Vera
- Wolfango Soldati
- Gillo
- Massimo Vanni
- Massimo
- Angelo Ragusa
- Angelo
- Romano Puppo
- Leroy's Right Hand
- Sergio Ruggeri
- Sergio
- Joshua Sinclair
- Gianni
- Leonardo Scavino
- Cannabis Dealer
- Gianni Orlando
- Mr. Leroy
- Salvatore Billa
- Narcotics Agent
- Giovanni Bonadonna
- Gianni's Henchman #1
- Guido Cerniglia
- Colonel
- Antonella Della Porta
- Woman Using Bar's Telephone
- Roberto Dell'Acqua
- Luciano
- Margherita Horowitz
- Junkie Girl's Mother
- Fulvio Mingozzi
- GdF Brigadier
- Ferdinando Poggi
- Drug Lab Worker
- Giuliano Sestili
- Gianni's Henchman #2
- Franco Ukmar
- Narcotics Agent
- Clemente Ukmar
- Drug Lab Worker
- Patrizia Webley
- Blonde Lesbian
- Maurizio Amati
- Ross
- Giancarlo Bastianoni
- Drug Lab Worker at Stall
- Adolfo Belletti
- Bar Owner
- Elio Bonadonna
- Tunisian Drug Dealer
- Pat Brocato
- Bob Malone
- Dolores Calò
- Woman at Airport
- Rossana Canghiari
- Holiday Inn Hotel Client
- Omero Capanna
- Hitman
- Nazzareno Cardinali
- Airport Police Officer
- Dino Cassio
- Airport Customs Officer
- Enzo G. Castellari
- Ross' Associate
- Nestore Cavaricci
- Police Officer at Palazzo di Giustizia
- Domenico Cianfriglia
- Drug Lab Worker
- Alberto Cracco
- Paolo
- Antonia D'Auria
- Woman at Palazzo di Giustizia
- Umberto De Luca
- Amsterdam Drug Dealer
- Ottaviano Dell'Acqua
- Jewelry Store Guard
- Richard Dunne
- Mr. Meade
- Franco Fantasia
- Jewelry Store Manager
- Paolo Figlia
- Pool Player
- Lina Franchi
- Woman at Palazzo di Giustizia
- Decio Gambini
- Man at Airport
- Stefania Girolami Goodwin
- Skeptical Girl
- Louise Lambert
- Caracalla Baths Tourist
- Rocco Lerro
- Juan Martinez
- Giuseppe Mattei
- Student's Father
- Emilio Messina
- (uncredited)
- Vezio Natili
- Man at Palazzo di Giustizia
- Benito Pacifico
- Tunisian Drug Dealer
- Osvaldo Peccioli
- Holiday Inn Hotel Client
- Filippo Perego
- Lawyer at Palazzo di Giustizia
- Renzo Pevarello
- Police Officer at Palazzo di Giustizia
- Virgilio Ponti
- Tunisian Drug Dealer
- Claudio Ruffini
- Student's Father
- Brando Ruffo
- Hong Kong Policeman
- Sergio Sagnotti
- Student's Father
- Sergio Soldano
- Contact in Genoa
- Stefania Spugnini
- Junkie Girl
- Sergio Testori
- Drug Lab Worker
- Bruno Ukmar
- Narcotics Agent
- Giancarlo Ukmar
- Wounded Carabinieri Agent
- Giovanni Ukmar
- Undercover Narcotics Agent
- Sandra Wolff
- Caracalla Baths Tourist
- Claudio Zucchet
- Police Detective at Palazzo di Giustizia
