former headmaster of Hogwarts killed by Severus Snape in the previous film. Gleeson, Brendan Brendan Gleeson as Alastor 'Mad-Eye' Moody , a member of the Order of the Phoenix . Griffiths, Richard Richard Griffiths as Vernon Dursley , Harry's Muggle uncle. Hurt, John John Hurt as Ollivander , a wandmaker abducted by the Death