Dominic McLaughlin Harry Potter Actor Alastair Stout Ron Weasley Actor Arabella Stanton Hermione Granger Actor Paapa Essiedu Severus Snape Actor Nick Frost Rubeus Hagrid Actor Bel Powley Petunia Dursley Actor John Lithgow Albus Dumbledore Actor Daniel Rigby Vernon Dursley Actor Lox Pratt Draco Malfoy Actor Janet McTeer Minerva McGonagall Actor Rory Wilmot Neville Longbottom Actor Sirine Saba Pomona Sprout Actor Warwick Davis Filius Flitwick Actor Francesca Gardiner Writer, Executive Producer Mark Mylod Executive Producer, Director J.K. Rowling Executive Producer Neil Blair Executive Producer David Heyman Executive Producer