Nicholas Guest
From Wikipedia, the free encyclopedia. Nicholas Haden-Guest (born May 5, 1951) is an American actor. He primarily works as a voice actor, but is best known for a TV role, as the principal in the NBC teen sitcom, USA High. Description above from the Wikipedia article Nicholas Guest, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known for
National Lampoon's Christmas Vacation 
The Long Riders 
Nemesis 
Appointment with Death 
The Land Before Time III: The Time of the Great Giving 
Kickboxer 4: The Aggressor 
Adrenalin: Fear the Rush 
Grand Tour: Disaster in Time 
Scooby-Doo & Batman: The Brave and the Bold 
Dollman 
Brain Smasher... A Love Story 
Saving Santa 
Night Hunter 
Devious Nanny 
Divided We Fall 
Uncommon Valor