American actress and singer-songwriter. She has starred in movies including Songcatcher (2000), An American Rhapsody, (2001) and Passionada (2002). Her role in Mystic River (2003) garnered her wider recognition. She starred in the blockbuster film The Day After Tomorrow (2004) and received critical acclaim for her performance in The Phantom of the Opera (2004). She has since starred in Poseidon (2006), Dragonball: Evolution (2009), and Dare (2009).
In 2007, Rossum released her debut album Inside Out. She also released a Christmas EP the same year titled Carol of the Bells. She currently stars on the Showtime dramedy Shameless, as Fiona Gallagher.