In 'Iron Man 3,' Ben Kingsley Never Took His Eyes Off Robert Downey Jr.

If there's one thing Robert Downey Jr. does best as Tony Stark, it's delivering his superhero lines as if he's making them up as he goes along.
But despite the actor's spontaneous, scenery-chewing demeanor, "Iron Man 3" co-star Sir Ben Kingsley said Downey is always working with his fellow actors, not against them.