Marta at 8 o'clock, stylized as Marta at 8 o'clock, is a Chilean soap opera produced and broadcast by National Television of Chile during the first half of 1985. Written by Fernando Aragón in collaboration with Arnaldo Madrid. It was directed by Vicente Sabatini under the executive production of Sonia Füchs. Protagonized by Sonia Viveros, with the star participations of Luis Alarcón, Lucy Salgado, Luz Jiménez, Rodolfo Bravo and Consuelo Holzapfel. It features the star performances of the first actors Paz Irarrázabal and Mario Montilles. With the special participation of Javiera Parada.