The two announced the news in a joint statement to ET on Friday.
The 29-year-old actress tagged the show in an Instagram photo of herself and Bonham Carter.
ET chatted with the actors on the red carpet ahead of the 2018 Golden Globe Awards in Los Angeles.
Leading ladies rocked pantsuits in the best way possible.
Smith and co-star Claire Foy opened up about Markle’s engagement to Prince Harry on ‘WWHL.’
Markle's transition to royal life somewhat mirrors what Matt Smith goes through on the regal Netflix drama.
The pair are passing the royal batons to their older counterparts.
ET spoke with the 72-year-old actor at the BAFTA Britannia Awards ceremony in Los Angeles.
ET caught up with Foy as she was honored at the BAFTA Britannia Awards ceremony in Los Angeles.
The 33-year-old actress says filming season two of 'The Crown' wasn't bittersweet because she 'never took it for granted.'
The 43-year-old actress ascends to the throne in the upcoming seasons of the Netflix drama.
"When you’re playing a real person, you never want to be ghoulish."
