Among her most recent appearances, she was in Alessandro D'Alatri's comedy film Commediasexi where she played the main character, Pia Roncaldi.

Beginning in her adolescence Rocca studied piano, singing, and dancing at the Teatro Stabile di Torino.

[3] After enrolling a course at the Actors Studio in New York, in 1998, Rocca had her first main role in the controversial erotic thriller Viol@, and for her performance she was nominated to the Nastro d'Argento for Best Actress.

[3] In 2003, Rocca had her main commercial success in Italy, with Alessandro D'Alatri's comedy Casomai, which also gave her a nomination for Best Actress at the Nastro d'Argento and David di Donatello Awards.

[3] In 2005, she played a blind lesbian in the Academy Award-nominated drama The Beast in the Heart, and for her performance, she was nominated for the David di Donatello for Best Supporting Actress.