In the trailer of this movie, there's a scene of a person faxing herself, thus committing suicide. This is actually part of the security guard/nurses subplot of the movie, that had to be cut out because with it, the film would have been longer than two hours.
The pop group "Dezaato" receives different romanji spellings throughout the movie, probably on purpose. Even though it actually means "Dessert", it's also spelled "Dessart", "Dessret", and "Desert" in the movie.
"Mail Me", the catchy song that can be heard throughout many scenes, is actually a "Dezaato" cover of "Mail Me" by Haruko Momoi.
The Bat's computer is a black Apple Macintosh PowerPC 5500/225. This model was already discontinued in 1998.