John Lithgow, who is American, is nearing a deal to portray Professor Albus Dumbledore in HBO ‘s upcoming “Harry Potter” series reboot, according to a report in Deadline.

John Lithgow is in final talks to play Professor Dumbledore in HBO’s TV adaptation of Harry Potter. The 3rd Rock From the Sun star would play the bearded headmaster of Hogwarts wizarding school whose Order of the Phoenix fights evil Lord Voldemort.

US actor John Lithgow is reportedly set to take on the role of Dumbledore as the makers of the new Harry Potter TV series start to assemble their cast. The veteran Oscar-nominated star is "in final talks" to sign up to play the Hogwarts headmaster, according to film and TV industry outlets Variety and Deadline.