By Amy Ryan
Updated February 10, 2007 at 05:00 AM EST

Another PopWatch HeadScratcher to get you through the weekend:

What do these five actors have in common?

Bette Davis
Mark McKinney
Kim Novak
Dick Van Dyke
Jack Warden

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 Monday afternoon.