With the ability to travel through all of time and space, the Doctor has met some pretty surprising faces, including several of his own, over the past 50-plus years. Many of those stars, like Star Trek’s Simon Pegg and Oscar-nominated Carey Mulligan, made their appearances on the venerable British science-fiction show early in their careers. And James Corden, long before he became the host of The Late Late Show, played the Eleventh Doctor’s flatmate — that’s roommate in British — Craig Owens.
But others, like former James Bond Timothy Dalton and Monty Python star John Cleese, cameoed well into their established careers, with the latter playing a TARDIS-admiring art patron in the classic episode “City of Death.” But perhaps the most surprising is the blink-and-you-miss-it appearance of former Today host Meredith Vieira giving a news report on Holy Roman Emperor Winston Churchill.
Watch the most surprising Doctor Who appearances in the video above.
The season finale of Doctor Who airs Saturday, July 1 at 9 p.m. on BBC America.
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