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, Chatrichalerm received the support of Queen Sirikit. Four of his films have been submitted by Thailand for the Academy Award for Best Foreign Language Film: The Elephant Keeper, Song for Chao Phya, Daughter 2 and King of Fire. In 1981, he was a member of the jury at the 31st Berlin International Film Festival.