Her career spanned radio, film, television and stage, and in 1997 the Argentine Association of Actors awarded her the prestigious Premio Podestá for her theatrical work.

Ruiz made her professional debut on Radio Splendid, along with her sister Nora Cullen, working as an actress and reader.

[1] In 1960 Ruiz starred in Fernando Ayala's Sábado a la noche, cine.

[2] Aside from various roles in telenovelas, Ruiz was also an accomplished actress of the stage and in 1997 the Argentine Association of Actors awarded her the Premio Podestá.

[2] Ruiz was married to Julio Marino, a doctor, with whom she had two children.