About:
From Wikipedia, the free encyclopedia William Atherton Knight (born July 30, 1947) is an American actor, best known for portraying Richard Thornburg in Die Hard and its sequel and Walter Peck in Ghostbusters.

• Known For
• 
  Die Hard
  as
  Richard Thornburg
• 
  The Last Samurai
  as
  Winchester Rep
• 
  Ghostbusters
  as
  Walter Peck
• 
  Die Hard 2
  as
  Richard Thornberg
• 
  The Sugarland Express
  as
  Clovis Poplin