A group of performers are working late into the night during a storm, trying to create a successful show, when a violent former performer escapes from a mental institution and traps them inside the theater. David Brandon portrays the anxious director, while Robert Gligorov takes on one of the acting roles. "StageFright” (1987), also known as “Aquarius” and originally titled “Deliria,” is an Italian slasher film. I…