The Invincible Gladiator (Italian: Il gladiatore invincibile, Spanish: El gladiador invencible) is a 1961 film directed by Alberto De Martino and Antonio Momplet.
Twelve-year-old royal king Darius, the tyrannical Rabirius, leads Acastus, a member of the Roman Empire.
Gladiator Rezius saves the life of Rabirius and is tasked with leading a military expedition to destroy the band of mountain robbers.
In the course of his mission, Rezius discovers that the bandits are in fact rebels led by Darius' sister Sira.
[3][page needed] The Invincible Gladiator was released in Italy on 31 October 1961.