Juanita Martínez was born on May 10, 1925 in Argentina as Juana Martínez. She was an actress, known for Cristóbal Colón en la facultad de medicina (1962), El mago de las finanzas (1962) and Los trabajos de Marrone (1960). She was married to José Marrone. She died on May 12, 2001 in San Isidro, Buenos Aires, Argentina.