3 links
IMDb: Lethal Weapon 3
us.imdb.com
The Internet Movie Database includes cast overview, plot summary, and user comments.
Nitpickers Site: Lethal Weapon 3
nitpickers.com
An index of mistakes, anomalies, and other small details people noticed in the movie.
Warner Bros: Lethal Weapon 3
lw4.warnerbros.com
Official site with cast profiles, photos, production notes, trailers, and poster.