Matt and Jenna's Real-Life Doppelgangers

In this exclusive clip, Matt Smith and Jenna-Louise Coleman reveal their real-life doppelgangers. Hint: You'll never look at 'The Addams Family' the same again! Tune-in to all-new episodes of 'Doctor Who' on Saturday, March 30 at 8pm ET, immediately followed by the premieres of conspiracy clone series, 'Orphan Black' and comedy-variety talk show 'The Nerdist.'