All-Reviews.com - Richard III: Reviews of the movie.
Apollo Movie Guide - Richard III (1995): Review, links, and cast information.
Cosmopolis - Richard III: the movie by director Richard Loncraine, based on Shakespeare's play, starring Ian McKellen, Annette Bening, Jim Broadbent, et al.
IMDb - Richard III (1995): Cast/credits plus additional information about the film
Richard III: Official site with plot and character information.