Producer Gianni Nunnari was not the only person planning a film about the Battle of Thermopylae; director Michael Mann already planned a film of the battle based on the book Gates of Fire.
Produser Gianni Nunnari bukan satu-satunya orang yang merencanakan sebuah film tentang Pertempuran Thermopylae; sutradara Michael Mann sudah direncanakan film pertempuran berdasarkan buku Gates of Fire.