3amCelebrity NewsHarry PotterThe newly-unveiled Tom Riddle actor has an incredibly famous family member that will likely leave Harry Potter fans' jaws on the floor.12:42, 07 Sep 2026Updated 12:43, 07 Sep 2026Yet more cast members have been unveiled for HBO's upcoming Harry Potter reboot.‌The TV series, expected to arrive in December this year, already boasts an impressive cast list with the likes of John Lithgow, Kit Harrington and Paapa Essiedu on board. Last week, three more stars were revealed who are set to join the already green-lit second series.‌Among the newly-announced stars were TV presenter and actor Lenny Rush in the role of Dobby the house elf, as well as Bonnie Hill as Ginny Weasley, taking over from previously-announced actress Gracie Cochrane who had to depart the project.‌Meanwhile Billy Barratt was named as the actor stepping into the shoes of Tom Riddle. As fans of the books and films know, Tom later becomes known as Lord Voldemort who remains an ever-present threat to protagonist Harry Potter.Fans may already recognise Billy from his extensive list of TV and film credits, which includes a leading role in 2025's blockbuster horror film, Bring Her Back. He appeared in the film alongside Sally Hawkins, playing the protective older brother of a young girl put in harm's way after she is fostered following the death of their father.‌He also made history as the youngest actor to win an International Emmy Award for Best Actor when he was just 13 thanks to his role in BBC drama, Responsible Child. He played a 12-year-old boy named Ray who stands trial accused of killing his own mother.While Billy himself is already establishing himself as a big name in the acting world, he certainly has someone to call on for help. That's because his grandfather is a hugely famous musician who is no stranger to the spotlight.‌His relative is Shakin' Stevens, who is best-known for hits like Merry Christmas Everyone, Because I Love You and Give Me Your Heart Tonight. Shakin' Stevens - whose real name Michael Barratt - is Billy's paternal grandfather.The music icon isn't the only famous face in the family either, as both Billy's mum and dad are fairly well-known too. Billy's dad Dean is a sought-after mix engineer who has worked with the likes of Jess Glynne and Craig David.His mum Carolyn, meanwhile, is a model, TV and radio host and singer in The 411. She also takes on the role of manager for Billy.Article continues belowHBO's Harry Potter series will premiere this Christmas.Choose Daily Mirror as a 'Preferred Source' on Google News for quick access to the news you value.‌Harry PotterHBO Max