Acclaimed actor John Lithgow will portray Professor Dumbledore, the head of Hogwarts, in the upcoming HBO series. His notable career includes roles in productions such as Conclave, Dexter, 3rd Rock from the Sun, and The Crown. Lithgow’s accolades are impressive, featuring six Emmy Awards, two Golden Globe Awards, two Tony Awards, and two nominations for the Academy Award.
In February 2025, Lithgow expressed to Screenland that selecting the cast was a challenging choice. Dumbledore was previously portrayed by the late Richard Harris and Michael Gambon.