Nick Frost Transforms into Hagrid in HBO’s ‘Harry Potter’ Trailer – First Look Revealed

HBO has unveiled the first trailer for its upcoming Harry Potter series, giving fans an exciting first look at the new cast and announcing a surprise premiere for Christmas 2026. The series will reimagine J.K. Rowling’s story across multiple seasons, starting with Harry Potter and the Philosopher’s Stone.

The trailer introduces the young Hogwarts students, with Dominic McLaughlin taking on the role of Harry Potter. Arabella Stanton appears as Hermione Granger, and Alastair Stout plays Ron Weasley. Among the adult cast, John Lithgow is Headmaster Albus Dumbledore, Janet McTeer is Professor McGonagall, Paapa Essiedu is Severus Snape, and Nick Frost steps into the iconic role of Hagrid.

Frost’s appearance has already grabbed attention. In the trailer, he can be seen wearing Hagrid’s full clothes and sporting the character’s signature long beard, perfectly capturing the beloved gentle giant.

Francesca Gardiner, known for her work on Succession, is serving as showrunner for the series, while Mark Mylod, a director with credits including Game of Thrones, is directing several episodes. JB Perrette, CEO at Warner Bros. Discovery, described the show as “the biggest streaming event in the history of HBO Max and arguably in streaming, period. It’s number one, two and three in many ways.”

Original Harry Potter actor Daniel Radcliffe has praised the new cast, saying, “I’m sure Dominic is going to be better than me. I learned as I went. I look back on what I did now with a lot more kindness, and I find it less embarrassing now that I’m older. But I was very much learning how to do it for a long time on Potter.”

The trailer gives fans a glimpse of Hogwarts like never before, with Nick Frost as Hagrid standing out in his detailed costume. The series promises to bring a fresh perspective to the story while honoring the magic and heart of Rowling’s world.

Seeing Nick Frost fully transformed into Hagrid is thrilling. He looks like he belongs in Hogwarts, and the attention to detail in the costume and beard really sells the character. It’s exciting to see how the new cast will bring these beloved characters to life. What do you think of Nick Frost as Hagrid and the rest of the cast? Share your thoughts in the comments.