Thirty horses that were trained for movie stunts were imported from Australia.
Official submission of Thailand for the 'Best Foreign Language Film' category of the 80th Academy Awards in 2008.
The movie took seven years to realize, prepare, and produce. Originally planned to be one continuous film, the director decided to make a trilogy because a single film could span too many hours.
The cockfight is mostly symbolic and fictitious, as the story came mainly from the account of Siamese POWs after the first sacking of the Ayutthayan Kingdom. It symbolizes the resilience and bravery of those who fought for Siamese independence.