Mary Delgado was born on October 8, 1916 in Madrid, Madrid, Spain as María Delgado Piñero. She was an actress, known for El crimen de la calle de Bordadores (1946), El fantasma y Dª Juanita (1945) and Un alto en el camino (1941). She was married to Carlos Martín Álvaro. She died on April 13, 1984 in Palma de Mallorca, Mallorca, Spain.