Born in Rome, she initially pursued architecture before shifting to acting. Her film career began in the 1950s, gaining international recognition with Michelangelo Antonioni's "L'Avventura" in 1960. Known for her intense performances, she appeared in various European films, collaborating with directors like Louis Malle and Claude Sautet. Her roles often explored complex emotional landscapes, establishing her as a versatile and respected actress in European cinema.