Ji Hye appeared as Heo Hwang Ok, daughter of an Indian aristocrat (from Ayodha, Uttar Pradesh) and who traded with Gimhae, one of the small states of Gaya, South Korea (near Busan).
She married the hero of the drama, Kim Su Ro (김수로), who became King.
With a ₩20 billion budget, surely they can afford a couple of Indian actors/actresses. The northern Indians have fair skin and many of the actresses from Ayodha are very beautiful.
Synopsis and casts: Kim Su-Ro, The Iron King – AsianWiki