HBO's Harry Potter is currently shooting in Cornwall, England, and The Crown star John Lithgow has been spotted in full costume, beard and all, as the Wizarding World's new Professor Albus Dumbledore.

You might know him from A Fish Called Wanda, Fawlty Towers, or Monty Python’s Flying Circus. Maybe you remember him as Q in the James Bond 007 films, or as Nearly Headless Nick in Harry Potter and the ...