The cast includes Katherine Parkinson as Molly Weasley, Lox Pratt as Draco Malfoy, Johnny Flynn as Lucius Malfoy, Leo Early as Seamus Finnigan, Alessia Leoni as Parvati Patil, Sienna Moosah as ...

The cast includes (from left to right in the photo below) Katherine Parkinson as Molly Weasley, Lox Pratt as Draco Malfoy, ...

HBO's "Harry Potter" TV series continues to round out its cast, with the latest additions being Bel Powley and Daniel Rigby.