Hugh Bonneville brings plenty of affable charm to his role of ‘Narnia’ author CS Lewis, but it’s an unstintingly mild-mannered performance in a deeply joyless play Get the latest entertainment news, reviews and star-studded interviews with our Independent Culture email Get the latest entertainment news with our free Culture newsletter Get the latest entertainment news with our free Culture newsletter Email * SIGN UP I would like to be emailed about offers, events and updates from The