Luis Alfonso Alarcón Mansilla (born 23 October 1929), popularly known as Lucho Alarcón, is a Chilean actor, theater director, and activist with a distinguished film, television, and stage career. In 1957, Alarcón began working as a stage actor participating in university theaters – , , Concepción, – and in independent companies. He later began his career as a cinematic actor, appearing in emblematic films such as Three Sad Tigers, Jackal of Nahueltoro, The Expropriation, Julio comienza en julio, Nadie dijo nada, Little White Dove, Caluga o menta, and The Shipwrecked.