|Name:||William Atherton Knight|
|Birthplace:||Orange, CT, USA|
|Birthdate:||30 July, 1947|
|Films appeared in:||Die Hard 1 and 2|
William Atherton (born July 30, 1947) is a character actor who often is noted as playing jerkish or mean-spirited characters. He has appeared in the Ghostbusters film franchise and on shows such as the "Centennial" mini-series.