[Corin Stormhands]

Then you have some fool extra who doesn't know that you don't move until he hears the director say cut!

PJ could've done what Selznick did in Gone with the Wind and used live actors beside dummies to make them move occasionally...

[carton253]

That is a powerful scene isn't it... It's the first ever crane shot...

Again, expense was the reason, and the fact that they couldn't get enough extras to fill the scene.