The vampires speak a completely original language. It was created for the film with the help of a linguistics professor at a New Zealand university.
In reality, Barrow (now Utqiagvik) doesn't see the sun for about 67 days during the winter.
Steve Niles originally conceived the story as a film. After years of rejection by studios, it was reworked into a comic book. Eventually, a studio that rejected the original screenplay went for the comic version.
Most of the night shots were shot during the day, using the day-for-night process.
Shot in New Zealand. Nearly half of the cast is Kiwi or Australian.