無防備都市
Galletti began her career on stage at a young age, in the early 1930s, and later attended the Centro Sperimentale di Cinematografia in Rome. In the late 1930s, she started appearing in films, mostly in supporting roles, and in 1945, she appeared in Roberto Rossellini's "Rome, Open City" portraying the treacherous Ingrid, which is her best known role.