MyHeritage.com uses face recognition software to show you what celebrities you look like. You have to register, but it's fun.
Here are my results, you tell me what you think.
First, me:


My first match (best match according to the program):

Cameron baby. Oh yeah, my twin!

Next:

Bet you didn't know Howard Dean was Cameron's daddy? Did you? Eh?

And fourth:

Zhang Ziyi - she illustrates my warrior side.

Could be a lot worse.
Nienke