Mongkut Mongkut Phra Bat Somdet Phra Poramenthra Maha Mongkut Phra Chom Klao Chao Yu Hua (), or Rama IV, known in English-speaking countries as King Mongkut (18 October 18041 October 1868), was the fourth monarch of Siam (Thailand) under the House of Chakri, ruling from 1851 to 1868. Outside Thailand, he is best known as the king in the 1951 musical and 1956 film "The King and I", based on the 1946 film "Anna and the King of Siam"in turn based on a 1944 novel by an American missionary about Anna Leonowens' years at his court, from 1862 to 1867. During
Deborah Kerr the film would ruin wartime morale—"Colonel Blimp" confounded critics when it proved to be an artistic and commercial success. Powell hoped to reunite Kerr and lead actor Roger Livesey in his next film, "A Canterbury Tale" (1944), but her agent had sold her contract to MGM. According to Powell, his affair with Kerr ended when she made it clear to him that she would accept an offer to go to Hollywood if one were made. Her role as a troubled nun in the Powell and Pressburger production of "Black Narcissus" in 1947 did indeed bring her to the attention of