The recasting of young actors was praised by Matt Smith and Paddy Considine.
New actors will play Rhaenyra Targaryen and Alicent Hightower after 10 years.
The person told E!. The characters are different when they are older.
The show's creators decided to replace Rhaenyra and Alicent after 10 years.
The show's main characters, Rhaenyra Targaryen and Alicent Hightower, are portrayed by Milly Alcock and Emily Carey in the first five episodes.
There will be a 10-year time jump when Rhaenyra ascends to the Iron Throne.
The twins Laena and Laenor Velaryon will be replaced by older actors.
During an interview. Smith said he thinks the recasting is a brilliant idea.
Smith said it was brilliant because he thought they had done a great job. It changed the context for the age thing to be played off.
The recasting is a good idea according to Considine.
He said he liked it. The news is breaking. They were the same person, but they had different energy.
Fans are calling for Carey and Alcock to return as Rhaenyra and Alicent in future seasons after they became stars in the first five episodes.
The young actors will emerge as stars, according to Smith, who predicted this during a roundtable interview.
Last week, Alcock told the magazine that she was training.
The actor said that he was trying to not look at it and not engage with it. It makes me extremely nervous. I'm straining to see my face. Nobody should have to do that. It's a bad thing, man. I'm not sure how they can do that. I'm driving off the wall. It's not easy to navigate.
The young "House of the Dragon" star was surprised by the show's size and thought she would be fired quickly.
It all becomes normal after you quickly adapt. I thought I was going to be fired a lot. It was frightening.
Carey, who was 17 when she was first cast, told Newsweek that she was initially "scared" by her sex scene in episode four but an intimate partner helped her through it
I was scared because I didn't know how much of a joy he was and how easy he was going to make the scene.
The new episodes of "House of the Dragon" can be seen on Sunday nights. There is an hour and a half later.
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