Giovanni Cianfriglia

~ as ~

Superargo

Gérard Tichy

~ as ~

Diabolikus

Loredana Nusciak

~ as ~

Diabolikus' Girlfriend

Mónica Randall

~ as ~

Lidia, Superargo's Girlfriend

Francisco Castillo Escalona

~ as ~

Colonel Alex Kenton

Emilio Messina

~ as ~

Diabolikus' Assistant

Geoffrey Copleston

~ as ~

Conrad, the Council President

Valentino Macchi

~ as ~

Giulio Battiferri

~ as ~

Vezio Natili

~ as ~

Captain (uncredited)