Jessica Harper is an American actress and singer. Harper began her feature film career with a starring role in Brian De Palma's Phantom of the Paradise (1974), and subsequently featured in films including Love and Death (1975), Inserts (1975) and My Favorite Year (1982). She is best known for her portrayal of Suzy Bannion, the protagonist of Dario Argento's cult classic Suspiria (1977), and appeared in a supporting role in Luca Guadagnino's 2018 remake.

Phantom of the Paradise is a 1974 American rock musical comedy horror film written and directed by Brian De Palma and scored by and starring Paul Williams.