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. When reached, HBO reps declined comment on the report.

All the news on HBO's streaming 'Harry Potter' TV series, including cast, release date, how to watch, development and whether J.K. Rowling will be involved.

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.