Frost opened up about the difficult task of forming a unique take on Hagrid — a half-giant who serves as groundskeeper at the magical school Hogwarts — after the late actor Ro

Nick Frost says he will remain 'respectful' of Robbie Coltrane's performance while playing Hagrid, but will 'never' be an exact copy.

I think you have to be respectful to the subject matter — but within that, there's scope for minutia,' Frost added