Rupert Grint recently revealed to the BBC how he wrote a heartwarming letter to Alastair Stout, the actor who will portray Harry's best friend and his most trusted, red-haired ally, Ron Weasley, in the upcoming HBO rendition.Grint spoke about this during a festive event in Highgate, north London, where he helped ignite the Christmas spirit on November 20, 2025. In a heartwarming conversation with BBC News, he reflected on how Ron Weasley is an integral part of the actor's life.Rupert Grint wished the best to the new Ron in the Harry Potter TV series in a heartwarming letter View this post on Instagram Instagram PostGrint played Ron Weasley with heartfelt admiration for the character and the world of Harry Potter. He admitted how he never fully broke away from the character, but he said he feels at peace with that.Now that Stout is stepping into his (Ron's) shoes, Grint felt that watching it all took him “straight back” to when he and the original cast were announced. He remembers that period clearly.Rupert Grint also fondly recollected how he had a lot of fun playing the role of Ron Weasley. He was one of the most loyal companions to the story's titular protagonist. They were always seen together through thick and thin.The adventures taken up by the trio of Gryffindor friends are no secrets. Grint had enjoyed every moment of this journey. He said he is happy about a new face taking up the role. He wants Stout to enjoy his own version of that excitement. Grint also noted that there is a “bit of family resemblance” between them, although he emphasized that Stout will have his own mark on the role."I had so much fun stepping into this world, and I hope he has the same experience. I can't remember exactly what I said, but it was something to that effect, and yeah, I'm really happy for him. It took me straight back to when we were announced and got the parts, it was a big thing, and I remember every second of it, so it's a big moment, and I just want to enjoy it."He said he is excited to see what Stout does with the character and that the new interpretation will be fun in its own way.He further added that when the BBC interviewer asked him if Stout had a resemblance to Grint,"Yeah, I think there's a bit of family resemblance, but it's great that it's a whole new thing, and it's gonna be its own thing, and I think that's gonna be fun."Grint also acknowledged that the cycle feels “quite strange,” but in a positive sense."I'm like, yeah, passing the baton, as it were, and it's really exciting. I think I'm really intrigued what it's gonna be like, and it's kind of strange having the cycle happen again."Watching a new generation take on these roles reminds him of how big the Harry Potter world still is. It continues to reach new audiences. It continues to matter to fans across different age groups. And for him, that legacy is something to appreciate.Rupert Grint was only 11 when he joined the original cast. He portrayed Ron across all eight films in the series. From 2001 to 2011, almost 11 years of his life, Ron Weasley was a cherished role for him.Grint has mentioned he was a fan of the books long before the films, and stepping into that universe felt surreal and meaningful. Coming from a senior actor who has previously played one of the most loved Harry Potter characters on screen, these warm statements create a futuristic nostalgia -- one that invites the new rendition with open arms.HBO's Harry Potter TV series will be released in 2027.Also read: Stranger Things star Jamie Campbell Bower was the only main cast member who read the final script alone