An eerie mansion, some frightened guests, a million dollars' worth of stolen bonds, and a mysterious killer known as "The Bat" add up to a terrifying experience in this chilling adaptation of Mary Roberts Rinehart's novel "The Circular Staircase" and play. Vincent Price, Agnes Moorehead, Gavin Gordon, and former Our Gang member Darla Hood star. 80 min. Widescreen; Soundtrack: English.