Jesse Ventura: The former wrestler, actor and Minnesota governor led a political study group at Harvard.

Peter Weller: The star of "Robocop" has taught ancient history at Syracuse University.

Danica McKellar: The star of TV's "The Wonder Years" (Winnie) has written books for girls on mathematical concepts.

Richard Dreyfuss: The Oscar-winning star of "Mr. Holland's Opus" has taught courses in civics at Oxford.

Brian May: The Queen guitarist, who has a doctorate in astrophysics, is the chancellor of Liverpool John Moores University.

Mayim Bialik: The star of "Blossom" and guest star on "The Big Bang Theory" teaches Hebrew and neuroscience in her home-schooling community.

Charlie Korsmo: The Minneapolis-born child star of movies such as "Men Don't Leave" is a visiting professor at Brooklyn Law School.

Ilan Mitchell Smith: The co-star of the movie "Weird Science" teaches English at California State University, Long Beach.

Mark Goddard: The co-star of the 1960s TV series "Lost in Space" (Maj. Don West) is a special-ed teacher in Massachusetts.

Michael Burns: The child star of the classic TV show "Wagon Train" (Barnaby West) became a history professor at Mount Holyoke College in Massachusetts.