Vivares began her career as an actress in Spanish television, making guest appearances on TV series such as Cuentos y leyendas (1975), La Señora García se confiesa (1976) and even the prestigious Estudio 1 (1983). In 1979, she entered the dubbing field as a voice actress, first in the Peter Falk movie The In-Laws (dubbing Nancy Dussault), and then as minor characters in Fame.