conventions of a spy film

Espionage

Evil organization - bent on ruling/destroying the world

Good organization - devoted to stopping the evil organization

Main villains

Ridiculous traps 

Damsel in distress

Femme fatales

Gadgets/weaponry

Realistic military themes

Fantasy completely impossible themes

Scientists

Rescue missions

Henchmen/personal bodyguards

Suave, sophisticated, well dressed heroes

Rugged, action heroes

Theft of documents/files/formulas/technology - usually something good that can be turned evil

explosions