James O'Connell (u/s Harry Potter), Gyton Grantly (Ron Weasley), Paula Arundell (Hermione Granger), Lucy Goleby (Ginny Potter), John Shearman (u/s Draco Malfoy), Sean Rees-Wemyss (Albus Severus Potter), William Mckenna (Scorpius Malfoy), Kirsty Marillier (u/s Rose Granger-Weasley/Young Hermione), Madeleine Jones (Delphi Diggory), Louis Corbett (u/s Craig Bowker Jr.), Gillian Cosgriff (Moaning Myrtle/Lily Potter Sr.), Jessica Vickers (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 (Professor McGonagall), David Simes (Cedric Diggory/James Potter Jr./James Potter Sr.), Hamish Johnston (Dudley Dursley/Karl Jenkins/Viktor Krum), Iopu Auva’a (Bane), Hayden Spencer (Station Master), Hannah Waterman (Madam Hooch), Amanda Labonté, Cle Morgan, Damien Avery, Kuda Mapeza, Louis Corbett, Lyndall Grant, Mark Dickinson, Mike Bishop, Simon Chandler