Denise Nickerson

Denise Marie Nickerson (April 1, 1957 – July 10, 2019) was an American 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''. She retired from acting in 1978 and later worked as a receptionist and office manager. Provided by Wikipedia