Mark Ruffalo is the king of ruffled charm

Mark Ruffalo is absolutely lovely. Let’s just get that out of the way from the off. Shaggy, shambling, a bit giggly and soft around the edges, he comes across in real life much as he does on screen in the roles one critic summarised as “the wounded hipster neurotic of modern cinema”.

He fronts an organisation against fracking and other pressure groups for renewable energy and clean water, doing genuine hard yards on podiums surrounded by placards; he’s marched with Occupy Wall Street. Meanwhile, he and his wife, Sunrise Coigney, have been together for nearly 20 years. Lovely.

Right now he is here to discuss