Have you ever mistaken someone for another person and wondered, "How can these two unrelated people look this much alike?"  I mean, a face has two eyes, a nose, a mouth, and a chin. With all faces having only these components, there's bound to be a repeat or two, or a few.

And just as we've all had people to tell us, "You look just like.... (somebody)," or played the Facebook game of finding our celebrity doppledangers, celebrities also have unrelated people who look like they could be family members.  Check these out.