'Avatar,' LA Premiere: Sam Worthington - James Cameron 'Changed My Life'

'Avatar,' LA Premiere: Sam Worthington - James Cameron 'Changed My Life'

Sam Worthington talks about working with director James Cameron and how he allows his cast to be a part of the process the whole way through. Plus, Sam reveals how he was sleeping in his car before James Cameron cast him in “Avatar” and how indebted he now feels to him.