On Rotten Tomatoes the film has an approval rating of 52% based on 114 reviews, with an average rating of 5.5/10. The website's critical consensus reads, ""The Last Castle" is well acted and rousing for the most part, but the story cannot stand up to close scrutiny." At Metacritic, a rating website which assigns a normalized rating, the film has a score of 42 out of 100, based on 32 critics, indicating "mixed or average reviews". Audiences polled by CinemaScore gave the film an average grade of "A–" on an A+ to F scale.