Content overview: “HBO's Harry Potter Series Adds David Threlfall as Sorting Hat, Leo Bill as Nearly Headless”. HBO's upcoming 'Harry Potter' series is taking shape with new casting announcements for Season 1. David Threlfall, known for 'Shameless' and 'Nightsleeper,' will voice the Sorting Hat, the sentient hat that places students into Hogwarts houses. Leo Bill, from 'The Living and the Dead' and 'Alice in Leo Bill, from 'The Living and the Dead' and 'Alice in Wonderland,' is set to play Nearly Headless Nick, the ghost of Gryffindor House.
Andrew Brooke, seen in 'PhoneShop' and 'The Agency,' has been cast in a role associated with Slytherin, though specifics were not detailed in the source. These additions follow earlier casting of the main trio, with the series aiming to be a more faithful adaptation of J.K. Rowling's books over a planned decade-long run. The full version stays on the original page, which this listing opens directly.