Until now, that role has belonged to Vanessa Kirby. However, after the second season dropped, the streaming service announced they would be recasting for older actors.
It has already been revealed that Golden Globe Award-winner Olivia Colman will be taking over the role of Queen Elizabeth II from Claire Foy as the monarch ages naturally with the timeline of the show in the third and fourth seasons.
The Royal's tragic early years come back to haunt him.
Matt Smith, who plays Prince Philip, will also step away from his role in the period drama but there's no news about who will replace him yet.
The Crown's second season, which was released on Dec. 8, depicted a rule-breaking and mischievous Princess Margaret. She ended the season with a marriage to photographer Antony Armstrong-Jones, the Earl of Snowdon (Matthew Goode) and a pregnancy announcement.