David Tennant's eldest son Ty is following in his father's footsteps as he is set to star in the Game of Thrones prequel House Of The Dragon.
It's not confirmed who the 20-year-old actor will play in the HBO series, but it is widely thought he will portray the teenage version of Prince Aegon Targaryen.
Rumours began swirling after Ty's mum Georgia Tennant posted a photo of her son at the series premiere with the hashtag #aegontargaryen.
House Of The Dragon fans are now convinced the newcomer actor will appear in the upcoming series, despite creators of the show remaining tight-lipped on the details.
Ty is the son of the Doctor Who star and his wife, Georgia, after David adopted him in 2011.
He will be joining the star-studded line-up in the HBO series, alongside Matt Smith, Emma D'Arcy, Graham McTavish, Eve Best and many more.
This isn't Ty's first appearance on-screen, as he previously worked alongside his dad in the BBC drama Around The World In 80 Days. David, 51, previously said working with his son was “quite weird”.
“It’s a bit of a transition when you move from a parental relationship to colleagues at work,” he said. “I did not get him the job. Steve Barron, our director, heard that Ty was acting and went and checked him out and thought, ‘Oh, he’s pretty good, let’s have him.’”
He continued: “And then suddenly you’re on set and having to interact in a slightly different way. It’s a mixture of kind of parental pride and worry, I suppose. But actually, the truth is that he’s so professional and assured and at home on set that I just really loved it.”
Ty has also appeared briefly in the superhero show Doom Patrol as ghost Edwin Paine and he had a recurring role as Tom Gresham in the US series War of the Worlds when he was a teenager.
The Bathgate-born actor and wife Georgia married in 2011 and share five children together - Ty, 20, Olive, 11, Wilfred, eight, Doris, six, and two-year-old Birdie.
The eldest Tennant child isn't the only member of the family following in their parents footsteps. Making her film debut, Olive starred alongside Caitriona Balfe, Jamie Dornan and Judi Dench in Kenneth Branagh's hit blockbuster Belfast.
After the film was released, Georgia shared to Instagram: "Finally got to see @belfastmovie and genuinely don’t know what made me cry more: this beautiful film or the cinema full of her friends who came to support her. #vaginabragsunday #olivetennant "
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