‘Harry Potter’ TV series: Harry, Hermione and Ron actors announced

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A first-edition Harry Potter and the Chamber of Secrets book that was signed by J.K. Rowling and purchased for only a penny could be auctioned off for as much as $2,700.

LOS ANGELES -  The beloved "Harry Potter" franchise is becoming a TV series, and HBO has finally found its iconic trio.

On Tuesday, HBO announced more cast members for the series in a press release.

‘Harry Potter’ TV series cast members revealed

The original television series cast newcomers Dominic McLaughlin in the role of Harry Potter, Arabella Stanton as Hermione Granger, and Alastair Stout as Ron Weasley. 

What they're saying:

"After an extraordinary search led by casting directors Lucy Bevan and Emily Brockmann, we are delighted to announce we have found our Harry, Hermione, and Ron," Francesca Gardiner, the series’ showrunner, said in a statement. "The talent of these three unique actors is wonderful to behold, and we cannot wait for the world to witness their magic together onscreen. We would like to thank all the tens of thousands of children who auditioned. It's been a real pleasure to discover the plethora of young talent out there."

Last month, HBO also announced the cast of six-time Emmy and two-time Tony Award winner John Lithgow as Albus Dumbledore. Lithgow has starred in many projects, including "The Crown," "The World According to Garp," and "Terms of Endearment."

The series has cast screen newcomers Dominic McLaughlin in the role of Harry Potter, Arabella Stanton as Hermione Granger, and Alastair Stout as Ron Weasley. (Credit: Warner Bros.)

In addition, Janet McTeer was cast as Minerva McGonagall, Paapa Essiedu was cast as Severus Snape and Nick Frost will serve as Rubeus Hagrid. 

Newly announced guest and recurring cast members included Luke Thallon as Quirinus Quirrell and five-time BAFTA winner Paul Whitehouse as Argus Filch.

About HBO’s "Harry Potter’ TV series

Dig deeper:

According to the television network, the series is expected to be a "faithful adaptation" of the "Harry Potter" book series by author and executive producer J.K. Rowling.

"[The series] will feature an exciting and talented cast to lead a new generation of fandom, full of the fantastic detail and much-loved characters Harry Potter fans have adored for over 25 years," HBO said.

The series will stream exclusively on Max where it’s available globally, including upcoming markets such as Turkey, the UK, Germany, and Italy, among others.

The backstory:

The forthcoming HBO series was announced more than a decade after the movie, "Harry Potter and the Deathly Hallows" part two came out in 2011. 

RELATED: 'Harry Potter' TV series based on original books in the works

The seven original Harry Potter books were published between 1997 and 2007. Eight blockbuster films were released between 2001 and 2011. There are also three Fantastic Beasts films, the play "Harry Potter and the Cursed Child," as well as four theme park lands.