My main issue with Damon’s performance (and I know this will be met with skepticism) is that there isn’t a range in emotions until near the very end of the film. Most of the film Watney puts on a false sense of bravado instead of letting himself fall into despair. This is mostly fixed near the end of the film when there is a sense of urgency and danger for Watney, but otherwise he acts like an action hero. Astronauts are made of harder stuff than other people, that’s a plain truth, but in this situation it wouldn’t be uncommon to see anger, fear, or outright discord between reality and the red planet’s eerie atmosphere.
Otherwise this is a great film, not just a genre film. It features intense action, some light relief comedy, a lot of hard sci-fi backed up by NASA technicians and author Andy Weir, and visually it’s a stunning film. Mars has never looked so realistic, and yet so cool and atmospheric. The action ramps up tension, but the film also explains the technical aspects of Watney’s mission, seen via a video diary Watney keeps through his ordeal. If you’re going to watch this for any reason, let it be that you want to see what the future holds for the fate of man.