Trivia: Tokyo Gore Police
- Executive Meddling: Lead actress Eihi Shiina was recommended by the US production company funding the movie due to the prior success of her movie Audition for the English market. She actually does really well in it.
- Hey, It's That Guy!: Ju-on/The Grudge director Takashi Shimizu continues his trend of showing up in Yoshihiro Nishimura films as a Chinese stereotype played for laughs as well as the first engineer we see in the movie being Versus' Tak Sakaguchi.
- Then there is, of course, Eihi Shiina playing Ruka, who is perhaps best known for her role as Asami in Audition.