Jack MacGowran, Roman Polanski, Alfie Bass, Jessie Robins, Sharon Tate, Ferdy Mayne, Iain Quarrier, Terry Downes, Fiona Lewis, Ronald Lacey, Sydney Bromley, Andreas Malandrinos, Otto Diamant, Matthew Walters, Vladek Sheybal
A noted professor and his dim-witted apprentice fall prey to their inquiring vampires, while on the trail of the ominous damsel in distress.