She had a recurring role as Anna Nardini in the TV series Gilmore Girls from 2003 to 2007. In 2013 she starred as Madame Renee in the series Magic City and from 2002 to 2014 as Elena Hyland in Project: Phoenix. In 2014 Sherilyn starred as Donna Cochran in the television series Ray Donovan. She has also starred in the films Just One of the Guys, Out of Control, Thrashin’, The Wraith, Zombie High, Two Moon Junction, Crime Zone, True Blood, Wild at Heart, Backseat Dreams, Desire and Hell at Sunset Motel, Diary of a Hitman, Ruby, Of Mice and Men, Boxing Helena, Three of Hearts, Fatal Instinct, Just Write, Lovelife, The Shadow Men, Darkness Falls, Cement, Swindle, The United States of Leland, Dream Warrior, Cavedweller, Whitepaddy, Novel Romance, Treasure Raiders, Fist of the Warrior, The Scenesters, Raze, and The Brittany Murphy Story. For her role in Twin Peaks Fenn was nominated for a Golden Globe and Primetime Emmy Award.