Note: For information about Jason Allen Alexander, the one-time husband of Britney Spears, see the relavant subheading in the Britney Spears article.
Jason Alexander (born "Jay Greenspan", September 23, 1959, in Newark, New Jersey) was one of the stars of the award-winning television sitcom "Seinfeld". His character, the neurotic ne'er-do-well George Costanza, Jerry Seinfeld's best friend, was based in part on the show's creator, Larry David. He has also appeared in a number of movies, and done some work as a director.
