Katherine Tupper "Kitty" Winn is an American actress. She is best known for her roles as the heroin addict Helen in the romantic drama The Panic in Needle Park , for which she won the Best Actress award at the 1971 Cannes Film Festival, and her recurring role of Sharon Spencer in the horror film franchise The Exorcist.
Wikipedia
Source: Winn Traded Film for Family https://www.sfgate.com/entertainment/article/WHERE-ARE-THEY-NOW-Winn-Traded-Film-for-Family-2917292.php (August 1, 1999)
