Dario Argento's stylish, pulse-pounding giallo focuses on Betty, a beautiful young soprano (Cristina Marsillach) understudying in a production of Verdi's "MacBeth," who experiences the legendary curse of Shakespeare's tragedy firsthand. A psychopathic killer haunts the famous La Scala Opera House with a violent series of grisly murders, and makes Betty his ultimate quest. Ian Charleson, Urbano Barberini, Daria Nicolodi, and William McNamara co-star in this Italian thriller. AKA: "Terror at the Opera." 107 min. Widescreen; Soundtrack: English; U.S. theatrical cut; alternate 1.85:1 ratio cut; audio commentary; featurettes; theatrical trailers. Dubbed in English. ATTENTION: please remember that all Blu-Rays are Region A USA and all DVDs Region 1 USA and you will need a multi region Blu-Ray/DVD player to play them.