Rigby most recently starred in shows such as “I, Jack Wright,” “Renegade Nell,” and “Tom Jones.” He is also set to appear in Amazon’s upcoming sci-fi series “Blade Runner 2099,” which continues the story of the film franchise. He won a BAFTA TV Award for best actor in 2011 for his starring role in “Eric and Ernie.”

The roles of Cornelius Fudge and Hogwarts students Parvati Patil, Seamus Finnigan and Lavender Brown have also been filled for the upcoming HBO series

H BO has officially cast Master of the Air and Black Mirror stars to play Petunia and Vernon Dursley in the upcoming Harry Potter TV show. Petunia, previously played by Fiona Shaw