Michael Slezak
October 02, 2006 AT 02:00 PM EDT

Sssssomebody stop me!… from using Jim Carrey’s famous line from The Mask to kick off our tenth installment of Guess Who. (Um, too late.) Nevertheless, try not to look away from the disturbing mask of a certain Hollywood celebrity. If you stare long enough, chances are you’ll make a positive I.D., or else burst into uncontrollable sobbing. Whatever happens, send your best guess to popwatch@ew.com. Be sure to write ”Guess Who No. 10” in the subject field and include your first and last names in your response. We’ll post the most interesting responses on Tuesday.

addCredit(“Guess Who: Courtesy of http://www.faces-of-fame.de”)

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