After accidentally killing an opponent in the ring, masked wrestler Superargo quits wrestling and, following the advice of his friend Col. Alex Kinski of the Secret Service, becomes a secret agent, using his superhuman abilities to stop villain Diabolicus' plans to wreck the global economy by turning uranium into gold.
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)