Elizabeth Alice Broderick (born February 24, 1959) is an American actress. She portrayed Zelda Spellman in the ABC/WB television sitcom Sabrina the Teenage Witch (1996–2003). She also had recurring roles as Diane Janssen in the ABC mystery drama series Lost (2005–2008) and as Rose Twitchell in the CBS science fiction drama series Under the Dome (2013).

Early life
Beth Broderick was born in Falmouth, Kentucky, the daughter of Nina Lou (née Bowden) and Thomas Joseph Broderick. She grew up in Huntington Beach, California. Even as a child, she was interested in theatre. She graduated from high school at sixteen, and then from the American Academy of Arts in Pasadena, California, at the age of 18. Afterwards, she moved to New York City to pursue an acting career. She has two sisters.