Biography: Panna Rittikrai (Thai: พันนา ฤทธิไกร; RTGS: Phanna Ritthikrai) or birth name Krittiya Lardphanna (Thai: กฤติยา ลาดพันนา;[1] RTGS: Krittiya Latphanna, February 17, 1961 – July 20, 2014) was a Thai martial arts action choreographer, film director, screenwriter, and actor. The head of the Muay Thai Stunt team (previously known as P.P.N. 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 (known as The Protector in the US), starring Tony Jaa, whom Panna mentored.