Casting the 5 Biggest New Harry Potter Characters for Season 2 of HBO’s Remake

The HBO remake of Harry Potter is already shaping up to be one of the most anticipated TV shows of 2026. It has been announced that each season of the show will adapt a different book from the iconic series of novels, with the first based on Harry Potter and the Philosopher’s Stone. With season 1 set to release on December 25, details about the show are being gradually revealed, with cast announcements in particular causing some debate and building the general sense of hype surrounding the show. The feeling around the TV reboot is that the episodic format will likely allow for a more faithful and robust adaptation of the books, which is something that many Harry Potter fans are excited to see.

Now that the actors for the first season of the Harry Potter series have been revealed, fans are already buzzing about who will play the new characters in season two. The second season will cover Harry Potter and the Chamber of Secrets and introduce several popular characters from the book. There are already some strong contenders – including well-known actors – that fans think would be perfect for these roles.

5) Andy Serkis as Dobby

One character that the Harry Potter reboot will undeniably need to include is Dobby, the house-elf who plays a central role in the story of Harry Potter and the Chamber of Secrets. Considering the character’s non-human nature, motion capture and voice acting will almost certainly be employed, and there’s no actor better suited for such a role than Andy Serkis. Serkis has proven time and again that he is the master of delivering excellent physical performances through motion capture, making him one of the strongest contenders to play Dobby in Harry Potter season 2.

4) Simon Pegg as Arthur Weasley

The second season of the upcoming Harry Potter series will likely introduce Arthur Weasley, a key figure in the Order of the Phoenix. First appearing in Harry Potter and the Chamber of Secrets, the character would be a great fit for Simon Pegg. Not only does he have naturally red hair, but Pegg could capture Arthur Weasley’s kind and quirky personality. Plus, this role would allow him to work with his frequent co-star, Nick Frost, who is already cast as Hagrid in the series.

3) Kit Harrington as Gilderoy Lockhart

Many fans envision Kit Harington as Gilderoy Lockhart, and there’s a good reason why! While he’s famous for his dramatic role in Game of Thrones, Harington actually voiced Lockhart in the Harry Potter audiobooks. He’s surprisingly funny, making him a great fit for the boastful Defence Against the Dark Arts teacher in a potential season two of Harry Potter.

2) Amelie Bea Smith as Moaning Myrtle

Moaning Myrtle is one of the characters the Harry Potter reboot must fix, as the movies made such a bizarre choice in casting a 37-year-old to play the teenage ghost. Amelie Bea Smith, best known for her role in The Haunting of Bly Manor and for voicing Peppa Pig, is now the perfect age to play Myrtle. As well as being an age-appropriate casting, Smith has already proved she possesses the unique ability to play an on-screen ghost, making her the obvious choice.

1) Owen Cooper as Tom Riddle

The TV show Adolescence became popular thanks to Owen Cooper’s amazing performance as a teenager accused of murder. Now, with the HBO Harry Potter reboot needing someone to play young Tom Riddle, Cooper is the perfect choice. He recently played a young man drawn into a dangerous belief system, which is excellent preparation for the role. Plus, Cooper has said he wants to play Tom Riddle, making it a great match all around.

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2026-06-11 18:10