The Wizarding World’s Next Chapter: Fans Rally for Henry Cavill and Tom Hiddleston in HBO’s Hogwarts Founders Series
The Wizarding World is stirring with anticipation as HBO develops a new Harry Potter series centered on the legendary founders of Hogwarts School of Witchcraft and Wizardry. The project, still in its early stages, promises to explore the origins of the iconic magical institution, delving into the lives of Godric Gryffindor, Salazar Slytherin, Helga Hufflepuff, and Rowena Ravenclaw. But what has truly set the fandom ablaze is a remarkable grassroots campaign: over 10,000 letters have flooded HBO’s offices, passionately urging the network to cast Henry Cavill as the lionhearted Godric Gryffindor and Tom Hiddleston as the cunning Salazar Slytherin. This outpouring of fan enthusiasm signals a deep hunger for a fresh chapter in J.K. Rowling’s universe, one that could redefine how we view Hogwarts’ storied past.

The idea of a series focused on the Hogwarts founders has long been a dream for Harry Potter fans. The four founders, each embodying distinct values that shaped the houses of Gryffindor, Slytherin, Hufflepuff, and Ravenclaw, are shrouded in myth and mystery. Their story, set in the medieval era, offers a tantalizing canvas for HBO to paint a tale of magic, ambition, and ideological clashes. The reported fan letters, sent from across the globe, reflect a collective vision for two of Hollywood’s most charismatic actors to bring these legendary figures to life. Henry Cavill, known for his commanding presence in The Witcher and Man of Steel, and Tom Hiddleston, celebrated for his portrayal of the mischievous Loki in the Marvel Cinematic Universe, have emerged as the fandom’s top choices.
Cavill’s potential casting as Godric Gryffindor, the founder renowned for his courage and chivalry, has sparked widespread excitement. In a recent interview, Cavill addressed the rumors, saying, “The Wizarding World is an incredible universe, rich with history and depth. The idea of exploring the origins of Hogwarts and a figure like Godric Gryffindor is thrilling. I’d be honored to be part of such a legacy, but nothing is confirmed yet.” His words, measured yet brimming with enthusiasm, have only fueled fans’ hopes. Cavill’s ability to portray heroic, complex characters makes him a natural fit for Gryffindor, a wizard described as “the best duellist of his time” who valued bravery and determination. Fans envision him wielding Gryffindor’s famed goblin-made sword, a relic later used to destroy Voldemort’s Horcruxes, with the same gravitas he brought to Superman and Geralt of Rivia.

Meanwhile, Tom Hiddleston’s rumored role as Salazar Slytherin, the founder known for his cunning and controversial stance against Muggle-born wizards, has generated equal fervor. Hiddleston’s knack for portraying layered, charismatic antagonists like Loki makes him a compelling choice for Slytherin, whose ideological rift with Gryffindor led to the creation of the Chamber of Secrets. While Hiddleston has not publicly commented on the casting speculation, his name has trended across social media platforms, with fans citing his ability to bring nuance to complex characters. One fan on X wrote, “Tom Hiddleston as Salazar Slytherin would be perfection—his charm and intensity would make that feud with Gryffindor electric.” The prospect of Hiddleston’s Slytherin clashing with Cavill’s Gryffindor has fans buzzing about the potential for a dynamic, emotionally charged narrative.
The fan campaign itself is a testament to the enduring passion of the Harry Potter fandom. Over 10,000 letters, meticulously crafted and sent to HBO, demonstrate an unprecedented level of dedication. These letters, reportedly filled with detailed arguments for Cavill and Hiddleston, highlight the actors’ suitability for the roles and the fans’ desire for a series that honors the Wizarding World’s legacy. Social media posts reveal the campaign’s global reach, with fans from the United States, United Kingdom, Australia, and beyond contributing to the effort. One organizer, who preferred to remain anonymous, shared on X, “We want HBO to know how much this story means to us. Cavill and Hiddleston aren’t just actors—they’re the embodiment of Gryffindor and Slytherin.”
The series, still in development, aims to explore the creation of Hogwarts and the complex relationships among its founders. Historical accounts from the Wizarding World describe Godric Gryffindor and Salazar Slytherin as close friends whose differing views on Muggle-born students led to a bitter falling-out. Slytherin’s departure from Hogwarts and his creation of the Chamber of Secrets, housing a Basilisk to “purge” the school of those he deemed unworthy, set the stage for centuries of conflict. This historical tension promises a narrative rich with drama, magic, and moral ambiguity, appealing to both longtime fans and new viewers.
HBO’s decision to greenlight a founders series comes at a time when the Wizarding World is expanding in new directions. Unlike the upcoming Harry Potter series, set to premiere in 2027 and focusing on Harry, Ron, and Hermione with a new cast, the founders series will transport audiences to a distant era. The medieval setting offers opportunities for stunning visuals, from enchanted castles to magical duels, and a chance to explore the origins of iconic artifacts like the Sorting Hat and Gryffindor’s sword. Fans are particularly eager to see how the series addresses the founders’ legacies, including Slytherin’s controversial views and Gryffindor’s progressive stance on Muggle-born inclusion.
The fan-driven push for Cavill and Hiddleston has also sparked broader discussions about casting in the Wizarding World. Social media platforms like X and Reddit have been flooded with fan art, casting suggestions, and debates about who should portray Hufflepuff and Ravenclaw. Some fans have proposed Florence Pugh for Helga Hufflepuff, citing her fierce yet nurturing persona, while others have suggested Katie McGrath for Rowena Ravenclaw, praising her regal presence. These discussions highlight the fandom’s investment in seeing the founders portrayed by actors who can capture their unique personalities and historical significance.
Despite the excitement, some skepticism remains. Posts on X have questioned the validity of early casting reports, with one user noting, “As long as I don’t see official interviews, these are pure clickbait articles.” Others have expressed concerns about the series’ ability to balance historical accuracy with the fantastical elements of the Wizarding World. For instance, the timeline of Hogwarts’ founding around 993 AD predates the historical witch hunts by centuries, raising questions about how the series will reconcile these discrepancies. Yet, these challenges only add to the intrigue, as fans eagerly await HBO’s vision for this ambitious project.
The campaign for Cavill and Hiddleston underscores a broader truth: the Harry Potter universe continues to captivate audiences nearly three decades after its debut. The founders series represents a chance to explore uncharted territory, bringing to life a pivotal moment in Wizarding World history. Whether or not Cavill and Hiddleston ultimately take on the roles, the fan letters have sent a clear message to HBO: the Wizarding World is alive with possibility, and its fans are ready to see Hogwarts’ origins unveiled. As one fan poignantly wrote on X, “This isn’t just about casting—it’s about honoring the magic that’s shaped generations.” With such passion driving the project, the Hogwarts founders series could become a spellbinding addition to the Harry Potter legacy.