Jamie Ballard (Harry Potter), Thomas Aldridge (Ron Weasley), Michelle Gayle (Hermione Granger), Susie Trayling (Ginny Potter), Ryan J Mackay (u/s Albus Severus Potter), Jonathan Case (Scorpius Malfoy), Rayxia Ojo (Rose Granger-Weasley/Young Hermione), Madeleine Walker (Delphi Diggory), Lucy Mangan (Moaning Myrtle/Lily Potter Sr.), Sinead Sharkey (Polly Chapman), David Annen (Uncle Dursley/Severus Snape/Lord Voldemort), Mark Theodore (Hagrid/Sorting Hat), Luke Sumner (Yann Fredericks), Kathryn Meisle (Aunt Petunia/Trolley Witch/Dolores Umbridge), David Mara (u/s Amos Diggory/Albus Dumbledore), Duncan Shelton (u/s Cedric Diggory/James Potter Jr./James Potter Sr.), Robert Curtis (u/s Station Master)