Marrying into a royal family — especially Britain’s notoriously hyper-scrutinized Mountbatten-Windsor family — is no small step. And despite the allure of crowns, gowns and castles, it can be a huge responsibility. Just ask others who have tied the knot and knitted their fates with that of the crown. Or ask those who have done it… fictionally. Matt Smith, who plays Queen Elizabeth II’s husband Prince Philip on Netflix’s popular The Crown, had some comments about Meghan Markle’s future as the wife of Prince Harry.