Janine is now voiced by Kath Soucie, but she still has her original appearance for this episode. Changes to her appearance will start in "Baby Spookums".
Dave Coulier started providing the voice of Peter Venkman through the rest of the Ghostbusters saga.
Egon confirms that the PKE Meter cannot register readings of the undead without being reprogrammed.
Dr. Van Helden possessed a stake and silver bullets, two weapons synonymous with vampire lore.
Peter references previous cases: Troll , Dragons , demons, and the Boogieman.