A trailer has revealed Helena Bonham Carter (Bellatrix Lestrange), Ralph Fiennes (Lord Voldemort), Jason Isaacs (Lucius Malfoy), Gary Oldman (Sirius Black), Tom Felton (Draco Malfoy), James Phelps (Fred Weasley), Oliver Phelps (George Weasley), Bonnie Wright (Ginny Weasley), Alfred Enoch (Dean Thomas), and Evanna Lynch (Luna Lovegood) are also set to appear, alongside “many more”.