She worked in more serious films, as well, including Luchino Visconti's last film, The Innocent (1976). In Wifemistress, a romance film of 1977, she played a repressed wife experiencing a sexual awakening. Later, she appeared in Passione d'Amore (1981). Antonelli's most recent role was in the sequel Malizia 2000 (1991). She won the Italian National Syndicate of Film Journalists Award, Nastro d'Argento, in 1974 for Malizia.