Isaacs said he told the hair and makeup team he 'wouldn't want his hair like a Muggle' - enter the world of the long flowing blonde locks. With no proper wig to hand, he borrowed one that looked like it was 'from the gas station'.

The other week, we learned that American actor John Lithgow would play Albus Dumbledore in HBO's upcoming Harry Potter TV show, the first major casting announcement to come out of this series. Now, Deadline has the scoop on a couple more actors circling major roles.

Recent reports have confirmed that John Lithgow will play Dumbledore in the new HBO Harry Potter series. Related: ‘Harry Potter’ Star Emma Watson Defends Her Label Of ‘Self-