Alyssa Jayne Milano ( mil-AH-noh; born December 19, 1972) is an American actress and activist. She has played Samantha Micelli in Who's the Boss? (1984–1992), Jennifer Mancini in Melrose Place (1997–1998), Phoebe Halliwell in Charmed (1998–2006), Billie Cunningham in My Name Is Earl (2007–2008), Savannah "Savi" Davis in Mistresses (2013–2014) , Renata Murphy in Wet Hot American Summer: Ten Years Later (2017), and Coralee Armstrong in Insatiable (2018–2019). As an activist, Milano is known for her role in the MeToo movement in October 2017.