Ong Bak 2: The Beginning is a 2009 Thai martial arts film co-directed by Panna Rittikrai and Tony Jaa, who also stars in the lead role. it is the standalone prequel to the 2003 film Ong-Bak: Muay Thai Warrior and is set in 15th century Thailand. In the film, Tien trains himself in martial arts, where he becomes a lethal soldier and sets out to avenge his parents' death.

Panna Rittikrai or birth name Krittiya Lardphanna was a Thai martial arts action choreographer, film director, screenwriter, and actor. The head of the Muay Thai Stunt team, he is best known for his work as a martial arts and action choreographer on the 2003 film Ong-Bak: Muay Thai Warrior and 2005's Tom-Yum-Goong, starring Tony Jaa, whom Panna mentored.