It's a good time to be Harry Potter superfan Jessica Williams.

Pottermore announced Friday that the Daily Show alum has been cast in an undisclosed role in Warner Bros.' untitled Fantastic Beasts sequel. "HELLO THERE," she tweeted after the news came out. "I AM SCREAMING BECAUSE I AM GOING TO BE IN FANTASTIC BEASTS." Screenwriter J.K. Rowling said she is "soooooo happy" for the actress, and after Williams thanked her three times, the author responded with an owl emoji, explaining, "There's no purple heron emoji, so."

Fans will also get to see Brontis Jodorowsky as alchemist Nicolas Flamel, a character first mentioned in Rowling's debut novel, Harry Potter and the Sorcerer's Stone. Addtionally, Derek Riddell has been cast as Torquil Travers and Poppy Corby-Tuech has been cast as Rosier; their characters' surnames belong to Death Eaters who served Voldemort in the Harry Potter series.

In April, Jude Law joined the ensemble as Albus Dumbledore.

Here's a who's who guide to the untitled sequel:

Eddie Redmayne

Mike Marsland/Mike Marsland/WireImage

As Newt Scamander

Katherine Waterston, Fantastic Beasts Sequel Cast

Leonard Adam/Getty Images

As Tina Goldstein

Dan Fogler, Fantastic Beasts Sequel Cast

Jamie McCarthy/Getty Images

As Jacob Kowalski

Alison Sudol, Fantastic Beasts Sequel Cast

Michael Loccisano/Getty Images

As Queenie Goldstein

Jude Law

Pascal Le Segretain/Getty Images

As Albus Dumbledore

Carmen Ejogo, Fantastic Beasts Sequel Cast

Michael Loccisano/Getty Images

As Seraphina Picquery

Johnny Depp

Alex J. Berliner/ABImages via image.net

As Gellert Grindelwald

Zoe Kravitz

Jamie McCarthy/Getty Images

As Leta Lestrange

Brontis Jodorowsky, Fantastic Beasts Sequel Cast

Victor Chavez/WireImage

As Nicholas Flamel

Jessica Williams, Fantastic Beasts Sequel Cast

Erika Goldring/Getty Images

As an undisclosed character

Derek Riddell, Fantastic Beasts Sequel Cast

David M. Benett/Getty Images

As Torquil Travers

Fiona Glascott, Fantastic Beasts Sequel Cast

Dan Wooller/REX/Shutterstock

As an undisclosed character

Cornell S. John, Fantastic Beasts Sequel Cast

Pat Sullivan/Photoshot/Getty Images

As Arnold Guzman

Victoria Yeates, Fantastic Beasts Sequel Cast

Karwai Tang/WireImage

As Bunty

Wolf Roth, Fantastic Beasts Sequel Cast

Pier Marco Tacca/Getty Images

As Spielman

Poppy Corby-Tuech, Fantastic Beasts Sequel Cast

David M. Benett/Getty Images

As Rosier

Callum Turner, Fantastic Beasts Sequel Cast

David M. Benett/Dave Benett/Getty Images for IWC

As Theseus Scamander

The first film in the Fantastic Beasts series, released in 2016, earned more than $813 million at the global box office. David Yates is returning to direct the next installment, slated for theatrical release on Nov. 16, 2018; it will be the second of five planned Fantastic Beasts films.

Principal photography began July 3 at Warner Bros. Studios, Leavesden in Hertfordshire.

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