By Amy Ryan
Updated January 13, 2007 at 06:08 AM EST

Another PopWatch HeadScratcher to get you through the weekend:

What do these five actors have in common?

Desi Arnaz Jr.
Joseph Bottoms
Marilyn Hassett
Irene Miracle
Pia Zadora

Your answer should be as specific as possible. Send your best guess to sure to write “HeadScratcher” in the subject line and include yourfirst and last names in your e-mail. We’ll post the most interestingresponses Wednesday afternoon.