Shirley Henderson as Moaning Myrtle (Redemption) Kenneth Branagh as Professor Lockhart (Redemption) Julian Glover as Aragog Fiona Shaw as Aunt Petunia Gemma Jones as Madam Pomfrey Miriam Margolyes as Professor Sprout (Redemption) Bonnie Wright as Ginny Weasley (Redemption) Chris Rankin as Percy Weasley (Redemption) Richard Griffiths as Uncle Vernon Harry Melling as Dudley Dursley (Redemption)