Cinephiles Review. http://www.cinephiles.net/Under_Heaven/Film-Synopsis.html

Apollo Movie Guide: Under Heaven Movie review, cast and crew biographies, and links. http://apolloguide.com/mov_revtemp.asp?CID=2708

TV Guide Online: Under Heaven Review and credits. http://www.tvguide.com/movies/database/ShowMovie.asp?MI=40633

IMDb: Under Heaven Synopsis, cast and crew, and user comments. http://us.imdb.com/title/tt0120875/

IMDb: Undercover Brother (2002) Cast and crew details, plot synopsis, user comments, and trailer. http://us.imdb.com/title/tt0279493/