* Franco Nero: A prominent actor during this era, Nero often appeared in sword and sandal films, and would have been a strong contender for a lead role.
* Giancarlo Prete: Another Italian actor known for similar roles in films of the time.
* Fernando Rey: A Spanish actor frequently featured in international productions, Rey's presence in a Spanish-Italian film is very likely.
* Livio Lorenzon: A supporting actor often featured in Italian productions, including those in the sword and sandal genre.
Important Note: This is based on typical casting choices in films of this era, and is not a definitive confirmation. Finding a complete cast list might require further research, possibly through specialized film databases or sources focused on Spanish and Italian cinema.