In London in the 1970s, Scotland Yard police investigators think they have uncovered a case of vampirism... Christopher Lee,Peter Cushing,Michael Coles,William Franklyn,Freddie Jones,Joanna Lumley,Richard Vernon,Barbara Yu Ling,Patrick Barr,Richard Mathews,Lockwood West,Valerie Van Ost,Maurice O'Connell,Peter Adair,Maggie Fitzgerald,Pauline Peart,Finnuala O'Shannon,Mia Martin,John Harvey,Marc Zuber,Paul Weston,Ian Dewar,Graham Rees