Meet Finn Bennett, who plays Prince Aerion Targaryen in A Knight of the Seven Kingdoms

Feb 1 , 2026

British actor Finn Bennett poses as part of a red carpet event for the newly released HBO Max production series, A Knight of the Seven Kingdoms, the new prequel of the Game of Thrones saga, in Rome, on January 15. Photo: AFP

The Irish-British actor plays Aerion in HBO Max’s new Game of Thrones spin-off, but did you know he was in True Detective and Warfare, too?

HBO Max’s latest Game of Thrones spin-off, A Knight of the Seven Kingdoms, premiered on January 18 and follows George R. R. Martin’s book series Tales of Dunk and Egg that chronicles the adventures of Ser Duncan the Tall and his squire, Egg, around 80 years after the events of the GOT prequel House of the Dragon.

Aerion Targaryen (Finn Bennett) mistakes Dunk (Peter Claffey) for a stable boy. Photo: HBO

It stars actor Peter Claffey as Ser Duncan “Dunk” the Tall and Dexter Sol Ansell as the young Egg. The cast is joined in episode two of the show by actor Finn Bennett, who takes on the role of Prince Aerion Targaryen, infamous in the books for his cruelty and the generational “Targaryen madness”.

Here’s everything you need to know about Finn Bennett.

Finn Bennett is an Irish-British actor

Finn Bennett stars in the Game of Thrones spin-off series. Photo: AFP

Born in 1999, Finn Bennett is an Irish-British actor who has lived in Hackney, London, his whole life. He got his start as a child actor, making his debut in 2010 on the British TV series Foyle’s War.

“I went to a local school that was very focused on maths and science. I did alright at school but was bad at that stuff. But the happiest moment of my week was drama class,” Bennett said in a 2024 interview with The Standard. “I’m the first actor in the family, everyone else went to university and did real things!”

Meet Finn Bennett, who plays Prince Aerion Targaryen in A Knight of the Seven Kingdoms

.css-1c6uqr6{color:inherit;font-weight:inherit;font-size:inherit;font-family:inherit;line-height:inherit;overflow-wrap:break-word;}The Irish-British actor plays Aerion in HBO Max’s new Game of Thrones spin-off, but did you know he was in True Detective and Warfare, too?

Finn Bennett is an Irish-British actor

He has built an impressive résumé

The Irish-British actor plays Aerion in HBO Max’s new Game of Thrones spin-off, but did you know he was in True Detective and Warfare, too?