HBO's Harry Potter Officially Casts Young Voldemort & Dobby For Chamber Of Secrets Season

Published Sep 4, 2026, 11:04 AM EDT Rianna is the Movie News Editor for ScreenRant. After earning her BA in Film Studies, she began her career as an entertainment writer, contributing to several publications before joining ScreenRant. Her dissertation on the impact of streaming on traditional cinema sharpened her focus on the ever-evolving world of film and media. With 10 years in the industry, Rianna continues to cover the stories she loves while also advocating for awareness and representation of rare disabilities, such as Moebius Syndrome, which she lives with. Harry Potter just got more magical. HBO's upcoming adaptation of Harry Potter has found its Tom Riddle, Dobby, and Ginny Weasley. Harry Potter and the Chamber of Secrets introduces major characters to the Wizarding World, including the beloved house-elf Dobby and the feared Tom Riddle. Now, HBO has announced that Billy Barratt will portray young Voldemort, Lenny Rush will play Dobby, and Bonnie Hill will replace the Season 1 actress as Ginny Weasley. More to come...