John Lithgow confirmed in a new interview with ScreenRant that he will be playing Albus Dumbledore in HBO’s “Harry Potter” television series. Variety reported earlier this month that Lithgow was eyeing the role.

John Lithgow has played everything from Don Quixote in Man of La Mancha to an extraterrestrial patriarch in 3rd Rock from the Sun. Next he will be the powerful, wise, and compassionate professor Dumbledore in HBO’s Harry Potter TV show. He confirmed the casting in a recent interview, saying it will “define me for the last chapter of my life.”

Casting for the show has been a huge talking point amongst fans of the Harry Potter franchise, but the talk of who will play Professor Albus Dumbledore can officially be brought to an end. While not officially confirmed by HBO yet,

"It's going to define me for the last chapter of my life, I'm afraid." John Lithgow is heading to Hogwarts. The 3rd Rock From the Sun star confirmed recent rumors that he'll be playing Professor Albus Dumbledore on HBO's forthcoming Harry Potter TV series in an interview with Screenrant published Tuesday.

John Lithgow to play Albus Dumbledore in HBO's Harry Potter TV show. Lithgow has starred in numerous successful TV shows and movies throughout his career.

John Lithgow reveals when the Harry Potter series will begin filming, and opens up on the challenges of playing Dumbledore.

John Lithgow is in final negotiations to portray Professor Albus Dumbledore in HBO's series adaptation of the hugely popular fantasy books.

Cillian Murphy as Voldemort? Paapa Essiedu as Snape? All the latest on the huge new series shooting in the UK this summer

John Lithgow is in final talks to play Albus Dumbledore in HBO’s upcoming adaptation of J.K. Rowling’s “ Harry Potter ” books.

HBO's Harry Potter series is close to finding its Professor Dumbledore in Conclave and Killers of the Flower Moon star John Lithgow.