Suspiria (1977)
Suspiria (, Latin for "sighs") is a 1977 Italian horror film directed by Dario Argento and released on 1 February 1977. Co-written by Argento and Daria Nicolodi and produced by Claudio and Salvatore Argento, the film stars Jessica Harper, Stefania Casini, Flavio Bucci, Miguel Bosè, Alida Valli, and Joan Bennett.
More at Wikipedia.