Jessica Harper (born October 10, 1949) is an American actress, producer, and singer. Harper made her feature film debut in Inserts (1974), f…Jessica Harper (born October 10, 1949) is an American actress, producer, and singer. Harper made her feature film debut in Inserts (1974), followed by a starring role in Brian De Palma's Phantom of the Paradise (1974). She is best known for her portrayal of Suzy Bannion, the protagonist of Dario Argento's giallo cult classic Suspiria (1977),[1] and will appear in a supporting role in Luca Guadagnino's 2018 remake.[2]