Ken Clark

Dick Malloy / Agent 077

Helga Liné

Dr. Elsa Freeman

Philippe Hersent

Heston - CIA Chief

Mitsouko

Kuan

Umberto Raho

Prof. Betz (as Umi Raho)

Antonio Gradoli

Lester (as Anthony Gradwell)

Andrea Scotti

Taxi Driver

Franca Polesello

Malloy's Lover

Mirko Ellis

Erika Blanc

Heston's secretary (as Erika Bianchi)

Alfredo Mayo

Ignazio Leone

URSS Agent

Tomás Blanco

Félix Fernández

Paul Mercey

Alfonso Giganti

Henchman