The Beatles led the first Britpop invasion of the United States when their first visit there in 1964 triggered Beatlemania. Now we have a quieter attack going on, all unbeknownst to unsuspecting TV viewers... 

YES, we know that Patrick Stewart is a British actor in an American TV series. The world knew that from the moment he first opened his mouth as Captain Jean-Luc Picard on Star Trek: The Next Generation in the late 1980s and spoke in that beautiful Royal Shakespeare Company-trained accent.