His Serene Highness Prince Chatrichalerm Yukol is a Thai film director, screenwriter and film producer. A prolific director since the 1970s, among his films is the 2001 historical epic, The Legend of Suriyothai. A member of the Thai royal family, his official royal title is Mom Chao, or M.C., the most junior title still considered royalty. He is theoretically 19th in line for the Thai throne. He is widely known by his nickname, Than Mui. For Suriyothai as well as his 2007 historical epic, King Naresuan, Chatrichale