Juanita Martínez was born on May 10, 1925 in Argentina. She was an actress, known for El mago de las finanzas (1962), Cristóbal Colón en la facultad de medicina (1962) and Stick and Bone (1968). She was married to José Marrone. She died on May 12, 2001 in San Isidro, Buenos Aires, Argentina.