Sir Kenneth Branagh is set to star as Boris Johnson in This Sceptred Isle, a five-part drama series on Sky television. Over the years, a number of actors have taken on the role of Prime Minister. 1 In the 1941 film Turned Out Nice Again, George Formby donned a bushy moustache to play Neville Chamberlain. In the key scene, Chamberlain returns from Munich brandishing a peace agreement. He then bursts into song: 'I were walking in Munich last night as peaceful as can be When a little German big-wig says, 'Let's have a cuppa tea!' He said his name was Adolf and he'd see what he could do