“There’s an internet frenzy of people who think it’s happening in the spring, but it would be six months later than that,” he said. “In all probability, if everything goes according to plan, it would definitely be me and Richard Griffiths and how many other cast members the unions will allow.” (Griffiths, who co-starred with Radcliffe in the play’s West End run, also plays Uncle Vernon in the Harry Potter movies). “I’m excited. Terrified, but excited.”