A 1960 Hammer Film distributed in the U.S. by Universal International was a yet another entry in the Bray Studios' long-in-the-tooth string of vampire movies. Despite the sometimes-interesting story-line and the striking use of saturated technicolor hues that Hammer was so well noted for, it still wrings out as a rather tepid film.
What it did have going for it was a lot of promotion, which was still a hallmark for Universal at the time. This article from MOTION PICTURE EXHIBITOR (June 15, 1960) details a theater-owner and a film advertiser's suggestions on how to "ballyhoo" the feature with theater gimmicks.