Suspiria (Latin for "sighs") is a 1977 Italian horror film directed by Dario Argento, co-written by Argento and Daria Nicolodi, and co-produced by Claudio and Salvatore Argento. The film stars Jessica Harper as an American ballet student who transfers to a prestigious dance academy in Germany. Later, she would realize that the academy is a front for something far more sinister and supernatural amidst a series of murders. The film also features Stefania Casini, Flavio Bucci, Miguel Bosè, Alida Valli, Udo Kier, and Joan Bennett in her final film role. It is the only Dario Argento's horror film to have THX-certified audio and video.