How Did Denise Nickerson Die?

Denise Marie Nickerson was an American former actress. Starting her career as a child actress, at the age of 13, she starred as Violet Beauregarde in the 1971 film Willy Wonka & the Chocolate Factory. She later played Allison on The Electric Company, and had recurring roles as Amy Jennings, Nora Collins, and Amy Collins in the soap opera Dark Shadows and many numerous appearances on television and films. She later worked as a receptionist and office manager.