List of the best 2003 thriller movies, ranked by how many upvotes they've received by other fans of the genre. These thrillers take you on a ride full of action, suspense, and anticipation of what's going to happen next. These are all the thriller movies that defined the year 2003, so vote for your favorites and help them rise to the top. This poll is also a great resource for finding new movies that you haven't already seen, especially since you can watch trailers for each film right on this page. To make sure this list is as accurate as possible, please don't downvote a movie if you haven't seen it.The list you're viewing is made up of many different movies, like Kill Bill Volume 1 and X2. This isn't necessarily a list of all thriller movies from 2003, but it does contain all the ones worth watching.