Ty Tennant: 5 Things To Know About David Tennant's Son Who's In 'HOTD'

See the gallery

House of the Dragon will jump about 10 years when the September 25th episode airs. This time jump will have new actors playing the roles of Rhaenyra Targaryen, Alicent Hightower, Prince Aegon, and more. Ty Tennant will play the teenage version of young Aegon.

MoreHouse of the Dragon

So who is Ty Tennant? The 20-year-old is the adopted son of Doctor Who alum David Tennant. From Ty's acting journey to his family, here's what you need to know about this rising star.

Ty Tennant as Prince Aegon Targaryen. (HBO)

1. Ty will play young Prince Aegon.

Prince Aegon Targaryen, the eldest son of King Viserys and Queen Alicent, was previously thought to be only a young child. Ty would play the prince as a teenager, before handing over the role to Tom Glynn-Carney. Ty and Tom previously co-starred in the 2019 film Tolkien, and they also played younger and older versions of Christopher Wiseman.

2. Ty is the son of David Tennant.