Netflix are ramping up the casting for The Crown seasons 3 and 4. Today they have announced that God’s Own Country’s Josh O’Connor and Mr. Turner’s Marion Bailey have joined the drama series.

Josh will be taking on the role of a teenage Prince Charles, while Bailey is set to play the Queen Mother. The pair are replacing Julian Baring and Victoria Hamilton who played the roles in the previous season.

On landing the role O’Connor said “I am thrilled to be joining The Firm for the next instalment of The Crown. Seasons 3 and 4 will follow some of the most turbulent events in the Prince of Wales’s life and our national story and I’m excited to be bringing to life the man in the midst of it all. I’m very aware it’s a formidably talented family to be joining, but reliably informed I have the ears for the part and will fit right in.”

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Bailey went on to add  “Wonderful to be joining The Crown. It’s a brilliant show and we have a tough act to follow but what a gift to be playing the fascinating and greatly loved Queen Mother. Thrilled to be on board and working with such a top notch team.”

O’Connor and Bailey join Olivia Coleman who takes over the role as Queen Elizabeth II, Tobias Menzies who takes over the role of Prince Phillip from Matt Smith, Helena Bonham Carter who takes over the role of Princess Margaret from Vanessa Kirby, Ben Daniels who takes over as Antony Armstrong-Jones from Matthew Goode. Erin Doherty will play Princess Anne, and Jason Watkins will play Harold Wilson.

The producers have previously confirmed that Princess Diana would be introduced toward the end of the third season and will be featured heavily in the fourth and as-yet-unofficial fifth seasons. As yet an actress has yet to be cast in the role.

Season 3 of The Crown will arrive on Netflix in 2019

You can watch our interview with Josh for God’s Own Country below

We also spoke with Josh at this year’s BAFTA nominees Party, Check out the interview below