Jamie Ballard (Harry Potter), Joe Idris-Roberts (Albus Potter), Jonathan Case (Scorpius Malfoy), Susie Trayling (Ginny Potter), Franc Ashman (Hermione Granger), James Howard (Draco Malfoy), Thomas Aldridge (Ron Weasley), April Hughes (Delphi Diggory), Barry McCarthy (Amos Diggory/Dumbledore) Sinead Sharkey (Moaning Myrtle), David Annen (Vernon Dursley/Severus Snape), Annette McLaughlin (Petunia Dursley and other roles), Sandy McDade (Professor McGonagall, Trolley Witch), James Phoon (Craig Bowker Jr), Mark Theodore (Hagrid/Sorting Hat), Helen Aluko (Rose Granger-Weasley), Dylan Mason (James Potter and other roles), Leah Haile (Polly Chapman), Jordan Bamford (Yann Fredericks), Craig Connolly (Karl Jenkins, Dudley Dursley and other roles), Adrian Christopher (Bane), Martin Johnston (Station Master), James Given (Young Harry Potter), Isabella Manca (Lily Potter Jr)