Ty Tennant

He is known for his roles as Tom Gresham in the science fiction series War of the Worlds (2019–2022) and young Aegon II Targaryen in the HBO fantasy series House of the Dragon (2022).

Tennant was born Ty Peter Martin-Moffett at Queen Charlotte's and Chelsea Hospital in the White City area of West London to then 17-year-old actress Georgia Moffett and grew up in Chiswick. In 2011, when his mother married Scottish actor David Tennant, whom she had met in 2008, Tennant adopted Ty, who gained Tennant's surname. His maternal grandparents are actors Peter Davison and Sandra Dickinson. He is of Guyanese descent through Davison's father, and Finnish descent through Dickinson's mother. Tennant attended Arts Educational School (ArtsEd) for sixth form.

Tennant had a brief cameo in the 2013 comedy spoof The Five(ish) Doctors Reboot. He later made his feature film debut in 2019 as a younger version of Tom Glynn-Carney's Christopher Wiseman in Tolkien. That same year, he began starring in the science fiction series War of the Worlds as Tom Gresham, the younger brother of Daisy Edgar-Jones' character Emily. He also made a guest appearance in an episode of the BBC One soap opera Casualty.

In 2021, Tennant and Sebastian Croft were cast as the Dead Boy Detectives Edwin Paine and Charles Rowland respectively in season 3 of the DC Universe series Doom Patrol. he had a cameo in Around the World in 80 Days. Tennant once again played a young Tom Glynn-Carney, this time as Aegon II Targaryen in the 2022 HBO fantasy series House of the Dragon, a Game of Thrones prequel and adaptation of George R. R. Martin's companion book Fire and Blood. In 2023, Tennant played the role of Raffy in Channel 4's standalone drama Consent. In March 2023, it was announced that Tennant would appear in season 2 of Good Omens, alongside his father, David Tennant, and grandfather, Peter Davison.