Jamie Ballard (Harry Potter), Thomas Aldridge (Ron Weasley), Michelle Gayle (Hermione Granger), Susie Trayling (Ginny Potter), Tim Dewberry (u/s Draco Malfoy), Dominic Short (Albus Severus Potter), Luke Sumner (u/s Scorpius Malfoy), Rachelle Diedericks (u/s Rose Granger-Weasley/Young Hermione), Madeleine Walker (Delphi Diggory), Ronnie Lee (Craig Bowker Jr.), Lucy Mangan (Moaning Myrtle/Lily Potter Sr.), Lola Adaja (u/s Polly Chapman), David Annen (Uncle Dursley/Severus Snape/Lord Voldemort), Mark Theodore (Hagrid/Sorting Hat), Duncan Shelton (Yann Fredericks), Kathryn Meisle (Aunt Petunia/Trolley Witch/Dolores Umbridge), David Mara (u/s Amos Diggory/Albus Dumbledore), Blythe Duff (Professor McGonagall), Ryan J Mackay (Cedric Diggory/James Potter Jr./James Potter Sr.), Craig Connolly (Dudley Dursley/Karl Jenkins/Viktor Krum), Adrian Christopher (Bane), Robert Curtis (Station Master)