Want a realistic spy movie? How about 'Tinker Tailor Soldier Spy' That is the stuff--no glamour, lots of chess-like thinking, detective-like surveillance, sifting through data (yawn, coffee, doughnuts).

Lots of tired, middle-aged people that are as about as glamorous and enthused about their jobs as postal workers--and shooting a guy at the end like you'd shoot a sick, old dog...