John Lithgow has had an impressive career, and with his upcoming part in the Harry Potter series, it's a good time to review his other TV roles.

Harry Potter fans have gained their first glimpse of John Lithgow as Dumbledore, via a mysterious set of photos showing the long-bearded wizard on a beach. Lithgow will play Hogwarts headmaster Albus ...

There’s no need for a revelio spell here. John Lithgow has fully stepped into his role as Professor Albus Dumbledore on set of the upcoming HBO “Harry Potter” television series. On Tuesday, the actor, ...

John Lithgow has officially begun filming the HBO 'Harry Potter' series and was spotted on set for the first time in costume ...