Mission: Impossible — Ghost Protocol was hands down one of the most entertaining films of last year, but was it realistic? Apparently so, according to American Intelligence veterans (aka ex-spies). Though Tom Cruise's death-defying stunts were a bit overblown, everything from the gadgets to the agents' demeanors were pretty true to life. Hop over to NextMovie to check out their list of five other spy-approved sleuth flicks!