Actor John Lithgow is set to play Albus Dumbledore in HBO's upcoming Harry Potter series.

John Lithgow, set to play Albus Dumbledore in HBO's upcoming Harry Potter TV series, believes the role won't be challenging. Comparing Dumbledore to a "nuclear weapon" that rarely shows emotion, Lithgow is currently educating himself on the Harry Potter universe. The series plans to cover one book per season, potentially leading to seven seasons. Lithgow views this as a fulfilling opportunity to continue his acting career into his 80s.