Gary Oldman has expressed interest in playing Albus Dumbledore in the upcoming HBO Harry Potter TV series, though he has not been approached for any role yet. Oldman, who played Sirius Black in the original films, believes the series will feature an entirely new cast and might consider him for Dumbledore in a few years. HBO confirmed the series will premiere in 2026 and span seven seasons, adapting each of J.K. Rowling's books faithfully. The casting call emphasizes inclusivity and diversity, seeking performers regardless of race, ethnicity, gender identity, and other protected statuses. Fans are eagerly awaiting the adaptation and speculating on potential castings. While attending the Emmy Awards, Oldman was nominated for his performance in the Apple TV+ series 'Slow Horses,' highlighting his continued success in the industry.