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)
Susan Terry
Juanita
Antonio Gradoli
Lester (as Anthony Gradwell)
Andrea Scotti
Taxi Driver
B
Brand Lyonell
P
Peter Blades
P
Peter Bach
Franca Polesello
Malloy's Lover
P
Pulla Coy
Mirko Ellis
Dario Michaelis
Erika Blanc
Heston's secretary (as Erika Bianchi)
Alfredo Mayo
Ignazio Leone
URSS Agent
T
Tomás Blanco
J
John Jordan
Félix Fernández
Paul Mercey
Alfonso Giganti
Henchman