Sir Ian McKellen stopped by 'The View' on Thursday for a friendly chat about his latest project, but ended up schooling Whoopi Goldberg on the difference between Dumbledore and Gandalf.

After discussions about his TV series 'The Prisoner' and a semi-testy exchange with Elisabeth Hasselbeck about flu shots and government health care, McKellen got asked: "Are you coming back in 'Harry Potter'?" The question, from the show's moderator, silenced the audience and confused the rest of the panel.

"Well, if I were Michael Gambon, I might. But I don't play Dumbledore," he explained. "I play in 'Lord of the Rings.'" [crickets]