James Snyder (Harry Potter), Matt Mueller (Ron Weasley), Jenny Jules (Hermione Granger), Diane Davis (Ginny Potter), Jonno Roberts (Draco Malfoy), Nicholas Podany (Albus Severus 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), Rachel Leslie (Aunt Petunia/Trolley Witch/Dolores Umbridge), James Romney (u/s Dudley Dursley/Karl Jenkins/Viktor Krum), Zell Steele Morrow (Young Harry Potter), Grace DeAmicis (Lily Potter Jr.), Patrick du Laney (Station Master)