HBO's new Harry Potter series is a couple of years away, but the buzz around it is never-ending. And this time, it comes directly from the OG Harry Potter star himself. During a fun chat on Good Morning America, Daniel Radcliffe opened up about his sweet letter exchange with Dominic McLaughlin.In a sequence, Radcliffe explained that he reached out to Dominic McLaughlin right after the 11-year-old was cast to play the iconic lead role. Speaking about it on Good Morning America, Radcliffe noted:"I don't want to be a spectre in the life of these children, but I just wanted to write to him to say, 'I hope you have the best time, and an even better time than I did- I had a great time, but I hope you have an even better time."Radcliffe has spent more than a decade portraying the role that made him a global sensation. The former Hogwarts star is finally passing the wand to the next generation, and his gesture of appreciating the young talents charmed the fans. When the host praised him by saying that he's the gold standard for Harry Potter, Radcliffe humbly replied:"I am the gold standard by default, cause well I'm the only one."HBO's Harry Potter series: Daniel Radcliffe got a 'sweet reply' from Dominic McLaughlinRadcliffe further explained to Good Morning America that he got even got a sweet reply from Dominic McLaughlin. Something was grounding, even nostalgic, about reading a message from a child now stepping into the famous role. He remembered what it felt like to be thrust into that spotlight at a tender age. The pressure, the excitement, and the chaos, everything rolled into one. Even though we do not know the contents of McLaughlin's letter, here's what Radcliffe said about the child actors as he reminisced about old times:"I just see the pictures of him and other kids, and I want to hug them. They just seem so young. I just look at them and say, 'Oh its crazy I was doing that at that age. But it's also incredibly sweet and I hope they're having a great time."More about HBO's Harry Potter series View this post on Instagram Instagram PostHBO's Harry Potter will adapt J.K. Rowling's seven books of the franchise and turn it into a seven-season series. The show follows Harry's first year at Hogwarts and then moves book by book. Production is underway at the Warner Bros. Studios Leavesden. They have built a temporary on-set school for the child actors since it is a long-running series. Sets and location shoots began in mid-2025. The young leads of the show are Dominic McLaughlin as Harry Potter, Alastair Stout as Ron Weasley, and Arabella Stanton as Hermione. Apart from the young leads, the show will also feature John Lithgow as Dumbledore, Janet McTeer as McGonagall, Paapa Essiedu as Snape, and Nick Frost as Hagrid. Warwick Davis will reprise the role of Professor Flitwick. Here's more about it:Richard Durden will play Cuthbert Binns, Hogwarts' ghost faculty memberWilliam Nash as Gregory GoyleFinn Stephens as Vincent CrabbeElijah Oshin as Dean ThomasBríd Brennan as Poppy PomfreySirine Saba as Pomona SproutGracie Cochrane as GinnyTristan Harland as FredGabriel Harland as GeorgeRuari Spooner as PercyAnton Lesser as GarrickLouise Brealey as Madam RolandaAmos Kitson as DudleyBertie Carvel as Cornelius FudgeRory Wilmot as Neville LongbottomLeo Earley as Seamus FinniganAlessia Leoni as Parvati PatilKatherine Parkinson as MollyBel Powley plays Petunia DursleyDaniel Rigby plays Vernon DursleyLox Pratt as Draco MalfoyLuke Thallon as Quirinus QuirrellPaul Whitehouse as Argus FilchFollow Soap Central for more such updates on your favorite show.Also Read: Harry Potter books in order