Jason Alexander is an American television, film, and stage actor. Alexander appeared on Star Trek: Voyager, playing Kurros in "Think Tank."
Alexander is best known for his role as George Costanza on the 1990s sitcom Seinfeld. He currently stars in the sitcom Listen Up as Tony Clineman, which is based on the newspaper columns of sports writer Tony Kornheiser.
External Link
Jason Alexander at the IMDb.