Jamie Glover (Harry Potter), Thomas Aldridge (Ron Weasley), Rakie Ayola (Hermione Granger), Emma Lowndes (Ginny Potter), James Howard (Draco Malfoy), Theo Ancient (Albus Severus Potter), Samuel Blenkin (Scorpius Malfoy), Helen Aluko (Rose Granger-Weasley/Young Hermione), Annabel Baldwin (Delphi Diggory), April Hughes (Moaning Myrtle/Lily Potter Sr.), David Annen (Uncle Dursley/Severus Snape/Lord Voldemort), Henry Rundle (Yann Fredericks)