Bud Spencer

Inspector Rizzo

Enzo Cannavale

Caputo

Werner Pochath

Spiros

Joe Stewardson

Smollet

Carel Trichardt

Captain Müller

Desmond Thompson

John Desmond - Commissioner of Police

Baldwyn Dakile

Bodo

Dagmar Lassander

Margy

Antonio Allocca

Receptionist

Giancarlo Bastianoni

Smollet's Henchman

Franco Cirino

Polizist in Neapel

Giorgio Cerioni

Mitarbeiter in der Diamantenmine

Ester Carloni

Maria, tabaco seller

Rita Ehlers

Helga

Carlo Reali

Edmonds' assistant

Jos Jansen

Van Dyck

Ottaviano Dell'Acqua

Bus Hooligan (uncredited)

Claudio Ruffini

Henchman in the local (uncredited)