The first season of The Crown covers the early days of Her Royal Highness Queen Elizabeth II's regency. The show is centered on her, but you can't have Elizabeth without other famous British figureheads.

Enter Winston Churchill, hero of WWII and one of Britain's most famous Prime Ministers. John Lithgow, an American actor, portrays the cigar chomping, victory sign throwing PM. This new featurette discusses the preparations Lithgow took to become Churchill.

Watch The Crown on Netflix on 4 November.