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J.K. Rowling just gave away a huge secret during the intermission of the ‘The Cursed Child’ on Broadway opening night. This particular secret has to do with the upcoming ‘Fantastic Beasts and Where to Find Them’ sequel — specifically, the character played by Jessica Williams (‘People, Places, Things,’ ‘The Daily Show’).

While the duo dined out together, they decided to share the announcement on social media that Williams will play Professor Eulalie “Lally” Hicks, who teaches at Ilvermorny School of Witchcraft and Wizardry, America’s equivalent of Hogwarts.

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A post shared by Jessica Williams (@msjwilly) on

Rowling later tweeted that the next ‘Fantastic Beasts’ film, ‘The Crimes of Grindelwald,’ will only feature a “hint” of Lally and that her “true glory” will be revealed in the third film.

Williams, a diehard fan of the ‘Harry Potter’ franchise, was announced as part of the cast back in October. Williams gave a statement regarding her casting, saying:

“I hung out with J.K. [Rowling], and she had reached out to me a couple of days after we met. She sent me these emails about this really amazing character that she had been working on. That’s pretty much how it all got started. It’s like my wildest dream … I could not have fathomed that when I was in the fourth grade reading these books, there would be a character I play that exists in this universe. It’s insane to me.”

‘Fantastic Beasts: The Crimes of Grindelwald’ will be released November 16.