answers: Michael Gambon
context: Michael Gambon Sir Michael John Gambon (born 19 October 1940) is an Irish-born British actor who has worked in theatre, television, and film. He moved to England and gained British citizenship. Gambon has played the eponymous mystery writer protagonist in the BBC television serial "The Singing Detective", Jules Maigret in the 1990s ITV serial "Maigret", and Professor Albus Dumbledore in the final six "Harry Potter" films after the death of Richard Harris who had previously played the role. He has won four BAFTA TV Awards and three Olivier Awards. He was knighted in 1998 for services to drama, and he </s> him again if he did not take it. Harris was determined to portray Dumbledore again in "Prisoner of Azkaban" (2004), despite having been diagnosed with Hodgkin's lymphoma, and asked David Heyman not to recast the role. However, his death on 25 October 2002 necessitated recasting. Ian McKellen was offered the role, but he turned it down, having played the similar character Gandalf in "The Lord of the Rings" trilogy, as well as feeling it would have been inappropriate to take Harris's role, as Harris had called McKellen a "dreadful" actor. Harris's family had expressed an interest in seeing Peter O'Toole </s> and the Deathly Hallows" to reveal two main matters concerning Dumbledore: his early life and his death. The book introduces his parents, Percival and Kendra Dumbledore, as well as his little sister, Ariana; his brother, Aberforth Dumbledore, was mentioned in previous books. At six years old, Ariana was attacked by three Muggle boys who had witnessed her doing magic. Because of this attack, Ariana was seriously traumatised and never able to control her magic again, having recurring outbursts of magic. Enraged, Percival mercilessly attacked the Muggle boys (killing them in the film version), and was sentenced to life in Azkaban.
question: who played dumbledore after the first one died