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 Eaters. Ifans,