They say everyone has a doppelganger, and there's no shortage of them in Hollywood. Here's the 10 actors and actresses that keep us checking IMDB to make sure they were the one in "that movie" and not their look-alike.

They say everyone has a doppelganger, and there's no shortage of them in Hollywood. Here's the 10 actors and actresses that keep us checking IMDB to make sure they were the one in "that movie" and not their look-alike.