All-Reviews.com: A Simple Plan is not so simple. This is a thoughtful, intelligent, well-acted movie that is both entertaining and, ulitmately, disturbing.
Apollo Movie Guide - A Simple Plan: Review, links, and cast information.
Cinephiles: A Simple Plan: Synopsis and review.
Crazy for Cinema: Review: Contains a review, cast listing, and links.
IMDb - A Simple Plan (1998): Cast/credits plus additional information about the film
Metacritic.com: A Simple Plan: Links to movie reviews.
Movie-Page - A Simple Plan: Cast, pictures, and synopsis.
TV Guide Online: A Simple Plan: Includes a brief review as well as cast and crew information.