Marengo was born in Rome Characterized by a slightly hoarse voice, she was mainly active in humorous roles, and was often typecast as a spinster or a gossiping woman. She was in four films directed by De Sica, including
Teresa Venerdì (1941). Her final film was
La passeggiata, directed by
Renato Rascel, and starring Renato Rascel,
Valentina Cortese, and
Paolo Stoppa. Marengo was also active in theater, though in supporting roles. She died in Rome. ==Partial filmography==