Who played George Costanza on the TV show "Seinfeld"?

More Questions:

In the Western Union's alphabet what is the letter "C" known as?

London's Old Bailey is a what?

What four-letter clarified butter is commonly used in Indian cuisine?

What basketball superstar is nicknamed "His Airness"?

In the Harry Potter books, the entrance to Gryffindor Tower is hidden behind a painting of whom?

Who devised the Trojan Horse and led the men hidden inside it?

The Siege Perilous was the name for the empty seat where?

The city of Honolulu is located on what island?

Which South American country shares its name with a nut?

When was the Pioneer 10 space probe launched into space?

For how many years were Madonna and Sean Penn married?

What movie did the villain Joan Crawford appear in?

What did the Wicked Witch of the West spell out with her broomstick in the sky in the 1939 film "The Wizard of Oz"?

In what year did the TV show "Grey's Anatomy" premier?

What fish became popular at fish stores after the release of "Finding Nemo"?