It had the sequel in 1968, Superargo and the Faceless Giants directed by Paolo Bianchini.
[2][3][4] A superhero battles a madman who is plotting to steal uranium as part of a plan to take over the world.
Director Nick Nostro commented on actor Giovanni Cianfriglia as Superargo in the film, stating that he had him act like Zorro.
[5] Nostro claimed he got him the best voice actor he could find and then felt "despite his shortcomings, he made a good impression on screen.
[5] Nostro added that due to the cheap budget, his producer had them shoot some indoor scenes at his villa in Frascati.