Giovanni Cianfriglia

Superargo

Gérard Tichy

Diabolikus

Loredana Nusciak

Diabolikus' Girlfriend

Mónica Randall

Lidia, Superargo's Girlfriend

Francisco Castillo Escalona

Colonel Alex Kenton

Emilio Messina

Diabolikus' Assistant

Geoffrey Copleston

Conrad, the Council President

Valentino Macchi

Giulio Battiferri

Vezio Natili

Captain (uncredited)