The Harry Potter TV show might have found its Dumbledore. Actor Mark Rylance, best known for his roles in Steven Spielberg's Bridge of Spies and Christopher Nolan's Dunkirk, is being eyed for the major role.

The chances of Daniel Radcliffe returning to the franchise in either his previous role or in this subverted concept are slim. Radcliffe shared in an interview with ET Online that he fully supports the upcoming Harry Potter TV reboot but does not see himself returning as Harry.

Wolf Hall' star Mark Rylance has been approached for the role of Dumbledore in the upcoming HBO adaptation of 'Harry Potter.'

The Oscar-winning actor Mark Rylance is being eyed to play Dumbledore in the forthcoming "Harry Potter" TV series.

If all goes as planned, HBO's Harry Potter adaptation is keen on getting Mark Rylance on board as it's Dumbledore. According to Variety, he is at the top of the wishlist of HBO makers. Mark Rylance is currently starring as Thomas Cromwell in the highly-anticipated BBC period drama Wolf Hall: The Mirror and The Light.

Warner Bros. Television is looking to enlist an Academy Award-winning actor to portray Professor Albus Dumbledore in the upcoming Harry Potter TV show for HBO. The iconic character was formerly played by Richard Harris and Michael Gambon in the blockbuster franchise.

Meanwhile, Jared Harris – son of Richard Harris, who played Dumbledore in the first two Harry Potter films – said “no thank you” to the idea, and questioned why the project was being made in the first instance.