The Invincible Gladiator
Il gladiatore invincibile (original)
A Roman warrior leads a revolt against an evil ruler. A young, diminutive ruler makes a big decision to unseat a nobleman whose ego has outgrown him. But can the 10-year-old take on such an impressive nemesis?
Starring Richard Harrison, Luisella Boni, Livio Lorenzon, Leo Anchóriz, Edoardo Nevola, José Marco, Jole Mauro, Ricardo Canales, Antonio Molino Rojo, Giorgio Ubaldi
Watch "The Invincible Gladiator" on Amazon released in 1961. It's a drama and action & adventure movie, and has a rating of 5.6 out of 10 from Imdb which is fairly okay for this kind of movie, and is currently only available for purchase or rent.