Thanks to Kristin from E! Online for the following 90210 spoilers:

Harry Mills (played by Rob Estes, pictured), the patriarch of the central family, has a sexy past with the mother of one of the most popular girl at West Beverly High.

Also, Kelly Taylor will not only act as the high school's guidance counselor, but as the theater department costume director.

Rob Estes will play Mills patriarch Harry in 90210.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.