James Snyder (Harry Potter), Matt Mueller (Ron Weasley), Jenny Jules (Hermione Granger), Diane Davis (Ginny Potter), Jonno Roberts (Draco Malfoy), Nicholas Podany (Albus Potter), Bubba Weiler (Scorpius Malfoy), Nadia Brown (Rose Granger-Weasley/Young Hermione), Sara Farb (Delphi Diggory), Lauren Cipoletti (Moaning Myrtle/Lily Potter Sr.), Katherine Reis (Polly Chapman), Stephen Spinella (Uncle Dursley/Severus Snape/Lord Voldemort), Jonathan Gordon (Yann Fredericks), Fiona Reid (Aunt Petunia/Trolley Witch/Dolores Umbridge), Joey Labrasca (Dudley Dursley/Karl Jenkins/Viktor Krum), Jack Pravda (Young Harry Potter), Patrick du Laney (Station Master)