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Jason Isaacs, Iconic Lucius Malfoy from Harry Potter, Joins Sex Education Season 3 Cast

Exciting news for Sex Education fans eagerly awaiting season 3: a beloved actor from the Harry Potter saga is joining the ensemble cast.

It's been over a year and a half since season 2, originally slated for January 17, 2021, but delayed by the COVID-19 pandemic. The good news? We'll reunite with Otis, Maeve, Eric, and the gang on Netflix September 17.

Fresh Faces Arrive at Moordale High

While thrilled to see returning stars, the show's creators are introducing compelling new characters. Moordale High welcomes a new principal, Hope Haddon, played by Jemma Redgrave, and a new student, Cal, portrayed by Dua Saleh, whose tensions with the principal are set to spark drama.

But the standout addition? A familiar face from the wizarding world.

Harry Potter Star Jason Isaacs Enters the Sex Education World

Picture a pale face, hooked nose, and flowing platinum hair—it's Lucius Malfoy, Draco's formidable father and Harry Potter's nemesis. Actor Jason Isaacs, who masterfully brought the Death Eater to life, now trades spells for modern drama as Peter Groff.

Peter is the brother of Michael Groff, Moordale's principal. Amid a messy divorce and strained ties with his son, Peter moves in during Michael's administrative leave. Their sibling rivalry soon complicates cohabitation, adding layers of tension to the series.