She began her stage career in the theatre company of Italian actor and director Dante Testa.

She went on to perform in a number of short films for Itala, including the popular 1913 crime-drama Tigris opposite actor Dante Cappelli.

[2] In 1914, Quaranta was cast in the title role in the lavish epic silent film Cabiria, directed by Giovanni Pastrone and with author Gabriele D'Annunzio cited as a scriptwriter.

It follows a melodramatic main plot about an abducted girl, Cabiria, and features an eruption of Mount Etna, heinous religious rituals in Carthage, the alpine trek of Hannibal, Archimedes' defeat of the Roman fleet at the Siege of Syracuse and Scipio Africanus manoeuvring in North Africa.

Her last film appearance was in the 1925 Mario Camerini-directed Voglio tradire mio marito, starring Augusto Bandini and Alberto Collo.