Though never really very versatile, Ryan Philippe delivers quite well in this fact-based drama about one of the most famous cases of espionage to ever happen in the USA. O'Neill is a tech specialist with aspirations to be an agent who is selected by Kate Burroughs (Laura Linney) for a very unique task. He is to work with the long established Robert Hanssen (Chris Cooper) on devising new ways to keep their systems safe from hackers. What we, and they, know is that Hanssen is suspected of being a mole, and a pretty darned substantial one at that. It's going to fall to O'Neill to try and find a…