About:
Denise Nickerson (April 1, 1957-July 10, 2019) was an American former actress best known for her roles as the gum-chewing Violet Beauregarde in the 1971 movie Willy Wonka & the Chocolate Factory as well as Amy Jennings and Nora Collins in the soap opera Dark Shadows. Description above from the Wikipedia article Denise Nickerson, licensed under CC-BY-SA, full list of contributors on Wikipedia.

• Known For
• 
  Willy Wonka & the Chocolate Factory
  as
  Violet Beauregarde
• 
  Smile
  as
  Shirley
• 
  Celluloid Bloodbath
  as
  Self
• 
  Howard
  as
  Shirley (archive footage)
• 
  The Neon Ceiling
  as
  Paula Miller