Over rated by most, under rated by some. This would deserve only a one rating, but it does have David Niven as the count.
The count opens up his castle to a playboy shot, in order to find the correct blood type to bring back his beloved Vampira.
Of course it goes pair shaped, and she ends up black. He then follows the 'bunnys' to London to try and change back his wife, and also had the best and most poignant scene in the whole film (that has nothing to do with the plot). I'll not spoil the 'shock' ending, but its crap.