However, as science fiction film historian Bill Warren points out, The Brides of Dracula was a "lively, colorful Hammer film, one of their best", which made the black-and-white The Leech Woman "look drab and old-fashioned".
According to Bill Warren, a film historian specializing in science fiction cinema, "The Brides of Dracula" was a lively and visually appealing Hammer film, while "The Leech Woman," its black-and-white counterpart, appeared dull and outdated by comparison.