I'm conflicted by this film.
The good is really great. I think the settings are some of the best in any sci-fi movie I've watched. Luc Besson's style shines through ala Fifth Element. The visual and special effects combine with the settings to make this just spectacular to watch. The plot and action provide solid support.
But the bad is truly awful. The selection of Dane DeHaan in the lead is one of the worst casting mistakes I've come across. He is completely unbelievable in the role and nothing like the character in the source material. Cara Delevingne scrapes by but the two of them struggle to deliver their roles and have zero chemistry. Even Clive and Ethan aren't at their best, with Rihanna being one of the best performances. They aren't helped by some very poorly written dialog. With so many good actors and writers out there these two big mistakes should never have happened.
Unfortunately those mistakes turned what should have been a sci-fi gem closer to painful mediocrity.