Is anybody else sick of the ‘Dumbledore’ rumours yet? Now, according to Coming Soon, Both TV Guide and Entertainment Tonight are now saying that E! Online was incorrect in reporting that Michael Gambon was cast as Professor Dumbledore in Harry Potter and the Prisoner of Azkaban. According to both news outlets, Warner Bros. denied both rumors that Michael Gambon or Ian McKellen will play the role. The studio had no further comments about the casting