The film concerns the life of King Naresuan, who liberated the Siamese from the control of Burma. Born in 1555, he was taken to Burma as a child hostage; there he became acquainted with sword fighting and became a threat to the Burmese empire.

Sarunyu Wongkrachang
as King Mahachakraphat

Sorapong Chatree
as Mahathera Kanchong

Chatchai Plengpanich
as King Mahathammaracha

Jakkrit Amarat
as King Nanda Bayin

Wanchana Sawasdee
as King Naresuan

Pratcha Sananwatananont
as Young Naresuan

Suchada Chekly
as Young Maneechan

Pratcha Sunanvatananont
as Prince Naresuan

Sompob Benjathikul
as Bayinnaung

Grace Mahadumrongkul
as Phra Supankalaya