David Tennant's Son Ty Will Make His 'House of the Dragon' Debut

There’s a new cast member coming to House of the Dragon!

David Tennant‘s son, Ty Tennant, will be playing the role of the young prince Aegon Targaryen II after a 10 year leap forward in time in the series on the September 25 episode.

The 20-year-old son of the Doctor Who actor isn’t the only one making his debut on the series, either.

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