Luigi Canalda trained her in singing and vocal technique, and critics praised her ability to interpret demanding, philosophical texts by authors such as
Albert Camus and
Jean-Paul Sartre. Her first television appearance was in 1963, when she appeared in a live production of
Alexandre Dumas's play
Don Juan de Maraña, and from then on she was part of the program
Estudio 1. She appeared in films such as
La vida es maravillosa (1956),
Life Goes On (1965), ''
(1967), Vente a Alemania, Pepe (1971), Señora doctor
(1974), Best Seller (El Premio)
(1996), The Queen of Spain (2016) and (2024), and in TV series such as Historias para no dormir, Cuéntame cómo pasó and Médico de familia''. In the 1970s and 1980s, Cuervo toured in Venezuela and Mexico. Her last theater role was in a production of
La Celestina in 2011. One of her last public appearances was in
La 1 talk show
La revuelta on 19 November 2025. ==Personal life and death==