Born in Rome into a middle-class Jewish family, Faldini was forced to flee to Tuscany because of the Fascist racial laws.

After the war, she was noticed by Ben Stahl, who pictured her in a painting called "Moment at Villa D'Este" for the magazine Esquire.

She later moved to Hollywood, where she won a beauty pageant for aspiring actresses called "Miss Cheesecake", and made her film debut in Sailor Beware.

[1] Returning to Italy, where she was initially billed as "The Italian who comes from Hollywood",[2] Faldini started a relationship with the popular comedian Totò, also appearing in several of his films.

[3] In 1955, dissatisfied with her roles, Faldini retired from acting, making occasional returns in 1957, when she replaced on stage the injured main actress Franca Maj in a revue alongside Totò, and in 1998, appearing in Incontri proibiti (Italian for 'Prohibited encounters'), the last film by Alberto Sordi.