This film offers a valuable opportunity to witness performances from notable actors—Donald Pleasence during a peak period in his career, and Jennifer Connelly early in her film work—and it stands as part of director Argento's impressive sequence of horror films, making it worthwhile to acquire a high-quality copy for repeated viewings by fans of the genre. The comparison of Argento to Alfred Hitchcock is frequently made among serious movie lovers, and this would serve as strong support for that assessment. It’s a must-have for those with an appreciation for obscure or unusual films.

Source on TMDB