Alyssa Jayne Milano is an American actress, producer, activist, and former singer. She is known for her roles as Samantha Micelli in Who's the Boss?, Jennifer Mancini in Melrose Place, Phoebe Halliwell in Charmed, Billie Cunningham in My Name is Earl, Savannah "Savi" Davis in Mistresses, Renata Murphy in Wet Hot American Summer: 10 Years Later, and Coralee Armstrong in Insatiable.