'The Crown': Princess Diana, Margaret Thatcher Poised to Make Waves in Season 4 | Hollywood Reporter

The shadow cast on the monarchy by Princess Diana means that her introduction has been one of the most anticipated events of The Crown. And in season four, which premieres Nov. 15, the moment is finally here. It won't take long into the newest season of Peter Morgan's saga about Queen Elizabeth II's reign for Prince Charles' (Josh O'Connor) eventual bride to show up, played by newcomer Emma Corrin. But first, another woman who helped define the '80s for Britain arrives: Margaret Thatcher (Gillian Anderson).