Attalus, a war prisoner by Rome, proves his valor in the arena, becomes a gladiator trainer, conquers the women's hearts and the men's envy, and saves Rome from a political plot to a usurper to occupy the throne.

Mark Forest
as Hercules / Attalus

Marilù Tolo
as Velida

Paolo Gozlino
as Zullo

Jolanda Modio
as Clea

Franco Cobianchi
as Emperor Caesar Galienus

Oreste Lionello
as Drusius

Nazzareno Zamperla
as Orestes / Horatius

Fedele Gentile
as Arminius

Giulio Tomei
as Old Shepherd

Renato Montalbano
as Gladiator Freeing the Emperor