'Avatar,' LA Premiere: James Cameron - I Knew Sam Worthington 'Was The...

'Avatar,' LA Premiere: James Cameron - I Knew Sam Worthington 'Was The Right Guy' To Cast

Director James Cameron talks about the high-praise that he received from Steven Spielberg and how much it meant to him coming from someone that he has looked up to for many years. Plus, he talks about casting Sam Worthington and how it was a big risk at the time.