HBO released another first look at the upcoming Harry Potter series, this time of Nick Frost as gentle giant and Hogwarts gamekeeper Rubeus Hagrid.

HBO’s “Harry Potter” TV series — the long-awaited and much-hyped return to J.K. Rowling’s wizarding world — has officially started production at Warner Bros. Studios Leavesden in the U.K., almost 14 ...

Several high-profile actors have been announced in other key roles, including Paapa Essiedu as Severus Snape, John Lithgow as Albus Dumbledore and Katherine Parkinson as Molly Weasley.