Two boxing promoters travel via time machine back to the days of Hercules, who must save them from Genghis Khan and the Mongol Horde.
| Actor | Role |
|---|---|
 Franco FranchiFrancheo | Francheo |
 Ciccio IngrassiaIngrassiade | Ingrassiade |
 Kirk MorrisMaciste | Maciste |
| FFrank GordonErcole | Ercole |
 Raimondo VianelloRusteghin | Rusteghin |
 Liana OrfeiDejanira | Dejanira |
 Mario CarotenutoComendatore | Comendatore |
 Bice Valorila maga Circe | la maga Circe |
 Gino BramieriIl Osservare | Il Osservare |
 Francesco MulèEuristeo | Euristeo |
 Ave Ninchil'indovina Ecubona | l'indovina Ecubona |
 Gino Buzzancacapo degli arcieri | capo degli arcieri |
 Gianna Cobelliserva del re | serva del re |
 Fanfullalo scienziato | lo scienziato |
 Carlo CroccoloFetonte | Fetonte |
 Sandra Mondainila ninfa Eco | la ninfa Eco |
 Gianni CajafaNot listed | Not listed |
 Rossana CanghiariDamsel (uncredited) | Damsel (uncredited) |
| RRenato MaddalenaNot listed | Not listed |
| RRiccardo PaladiniNot listed | Not listed |
 Renato TerraNot listed | Not listed |
 Ombretta OstendaNot listed | Not listed |
| SSanto VersaceNot listed | Not listed |