The actor was eight when he landed his first movie, and spent his teens working with the likes of Martin Scorsese and Harrison Ford. Now he’s making his theatre debut, in a role that mirrors his own experiences of big time rejection

Interviewing actors usually involves asking them to remember things: lines spoken, expressions pulled, performances given weeks, months or even years ago that are only now seeing the light of day. But instead of fondly reminiscing about his latest project, Asa Butterfield is desperately trying to envisage it. The Sex Education star is about to appear in Second Best, a play about the boy who came agonisingly close to being cast as Harry Potter in the film franchise. It’s his first week of rehearsals, and Butterfield isn’t merely figuring out how to play the part, he’s also trying to predict how scared he’ll be...