Being a spy is hard work — it requires peak physical strength, top-notch intelligence, social prowess, and, most difficult of all, the ability to keep a secret. After fulfilling all of those requirements, movie and TV spies — from Sydney Bristow to Foxxy Cleopatra — manage to make the business look exceedingly glamorous. (Take that, James Bond.)
From the run-of-the-mill FBI and CIA agents to globetrotting assassins, click through for our 20 favorite onscreen female spies.