Hollywood has a not-so-mysterious way of casting who they want for roles in films and television shows with major IPs. There is usually a breadcrumb trail that you can trace back to a few previous projects that will help you understand why a choice was made for a particular actor.

The legendary thespian was offered the role of the iconic Hogwarts headmaster - but decided he 'couldn't do it'.

Deadline is reporting that veteran actor John Lithgow (3rd Rock From the Sun, The Crown, Terms of Endearment) is ready to don the robe of Albus Dumbledore, the iconic wizard of J. K. Rowling’s beloved magical franchise.