Why do the Actors Matter?

[Paul Farquhar]

I can't buy Mark Ruffalo as a genius of really any kind, and whilst he can do angry/bitter he hasn't really pulled that out for Banner

From my time as a research assistant, Ruffalo’s Banner in line with a good many scientists I knew at the time. Humorous, witty, sardonic and unassuming.

But I agree that he lacks that kernel of suppressed anger that someone with the Hulk inside should have.