Revealing mistake: It is obvious that the night scenes were filmed in broad daylight, since clear shadows are still cast on any available surface.
The Fearless Vampire Killers (1967)
Ending / spoiler
Directed by: Roman Polanski
Starring: Roman Polanski, Alfie Bass, Jack MacGowran, Jessie Robins
Professor Ambrosius, Alfred and Sarah manage to escape the vampire castle, but Sarah dies and rises from the dead as a vampire, killing Alfred before he can call out to the professor.
Daniel
More mistakes in The Fearless Vampire Killers
Count Von Krolock: A year ago exactly on this same night we were assembled here in this very room: I your pastor, and you my beloved flock. With hopefulness in my heart I told you then that with Lucifer's aid we might look forward to a more succulent occasion. Cast back your minds. There we were, gathered together, gloomy and despondent, around a single meager woodcutter.
Trivia: The movie went by quite a number of different titles: 'Dance Of The Vampires' (original UK title); 'The Fearless Vampire Killers, Or: Pardon Me, But Your Teeth Are In My Neck' (US title); 'Vampire Ball' or 'The Vampire Killers' (working titles).