Actors Performing Their Own Stunts

You have probably already heard that Jackie Chan does all of his own stunts, or that Buster Keaton used to do the same. But there's a big difference between being vaguely aware of these facts and actually seeing the actors in action. That's why io9's collection of videos showing actors performing their own stunts is just so fascinating—especially when it gives you the chance to see something like the image above to explain how Harold Lloyd made this clip:

While Angelina Jolie might not be as well known for doing stuntwork, it's still impressive to watch her do a number of cool stunts in this behind-the-scenes footage from Salt.