If you can have Harrison Ford in your movie and you just introduce him almost an hour into the movie and it still works: You know you have a winner. Generally speaking the actors involved are phenomenal. It's a joy to watch them. Even if some situations seem a bit sugar coated (not too much though) and there is the occasional cliché in it, the science fiction element of it, still makes this very interesting.

You have a lot of things that are being "told" by looks. Which again is a big part of the acting talent at hand. You may be able to see where this is going (a few indicators early on, but even without them), but it's still a fun ride to have