Juan López Moctezuma 1929 August 2 1995 was a Mexican film director and actor He was born in Mexico City in 19291 During his career he directed five films all in the genres of Gothic horror and suspense The Mansion of Madness 1972 Mary Mary Bloody Mary 1974 To Kill a Stranger 1983 El Alimento del Miedo 1994 and his most recognized and controversial work Alucarda 1978 which tells the story of a satanic possession in a Catholic convent In 1993 he was admitted to a psychiatric hospital in Mexico City because of Alzheimers disease He died on August 2 1995