Gareth Reeves (Harry Potter), Gyton Grantly (Ron Weasley), Paula Arundell (Hermione Granger), Amanda Labonté (u/s Ginny Potter), John Shearman (u/s Draco Malfoy), Sean Rees-Wemyss (Albus Potter), William Mckenna (Scorpius Malfoy), Manali Datar (Rose Granger-Weasley/Young Hermione), Madeleine Jones (Delphi Diggory), Gillian Cosgriff (Moaning Myrtle/Lily Potter Sr.), Kuda Mapeza (u/s Polly Chapman), David Ross Paterson (Uncle Dursley/Severus Snape/Lord Voldemort), Soren Jensen (Hagrid/Sorting Hat), Connor Sweeney (Yann Fredericks), Hannah Waterman (Aunt Petunia/Trolley Witch/Dolores Umbridge), George Henare (Amos Diggory/Albus Dumbledore), Debra Lawrance (Minerva McGonagall), David Simes (Cedric Diggory/James Potter Jr./James Potter Sr.), Simon Chandler (u/s Dudley Dursley/Karl Jenkins/Viktor Krum), Iopu Auva’a (Bane), Hayden Spencer (Station Master), Hannah Waterman (Madam Hooch), Cle Morgan, Damien Avery, James O'Connell, Kirsty Marillier, Louis Corbett, Lyndall Grant, Mark Dickinson, Mike Bishop