The Emmy-nominated actor, who boasts a packed resume, is set to play the mysterious and quick-tempered professor.

HBO is officially confirming the first cast members for the “ Harry Potter ” TV series.

John Lithgow will play the Hogwarts headmaster in the HBO show, with Paapa Essiedu filling the role of Severus Snape.

Here's what the internet has to say about Essiedu's casting as Severus Snape in HBO's new Harry Potter TV series adaptation.

Argus Filch and Professor Quirinus Quirrell have officially been cast for HBO's new Harry Potter series, in addition to the ...

John Lithgow previously stated that he had been cast as Dumbledore, which HBO confirmed Monday, along with Janet McTeer as Minerva McGonagall, Paapa Essiedu as Severus Snape and Nick Frost as Rubeus ...

Casting for six major characters in HBO's upcoming 'Harry Potter' series, including Dumbledore, Snape and Hagrid have been announced.

The Harry Potter TV series for HBO is on its way and we're here to gather every confirmed cast member that will be part of ...

The upcoming "Harry Potter" series has officially made its first cast announcements, including the actors portraying Albus ...

In today’s episode of Water Is Wet, The Sky Is Blue, And White People Are Exhaustingly Fragile, a Black man has been cast to ...

Paapa Essiedu’s casting as the ‘marble white’ skin character has prompted some fans to share their concerns online ...

HBO's 'Harry Potter' TV show recasts all of the Hogwarts characters with new actors. See who's who in this cast guide.