The word 'vampire' is never used in the series. Instead, the characters refer to them officially as Code 5's (5 in Roman numerals is 'V'), or unofficially as 'leeches'.
In 2000, the Fox network in America produced a pilot episode for a US remake of 'Ultraviolet'. However, the series was not picked up and the pilot itself never aired.
Creator Joe Ahearne never intended to write and direct all six episodes. While the producers commissioned scripts from other writers, they ultimately felt that no other writers or directors understood Ahearn's vision as well as he. The result was that Ahearn's time was consumed with the development of the first series, and he was never able to outline a second arc. Ahearn also admits that he believes high-concept series are best kept short, so that they don't run out of steam and have to be re-invented.
Idris Elba reprised his role as Vaughn Rice in the unaired US remake.
Screened cinematically at some film festivals.
Susannah Harker, who plays a vampire hunter here, is in reality a descendant of Jonathon Harker, a friend of Bram Stoker, and who was immortalized in Stoker's novel "Dracula".
All 6 episodes in the series have Latin names.
Stephen Moyer would also go on to play vampire in True Blood.
"Habeas Corpus" is Latin for "You have the body" or "thou shalt have the body." In the law terms, a writ of habeas corpus is a written order from a judge to bring a prisoner into court.