Alicia Roanne Witt (born August 21, 1975) is an American actress, singer-songwriter, and pianist. Witt first came to fame as a child actress after being discovered by David Lynch, who cast her as Alia Atreides in his film Dune (1984); she also appeared in a guest role in Lynch's subsequent television series Twin Peaks (1990).
Witt later had roles as a disturbed teenager in Fun (1994), as a music student in Mr. Holland's Opus (1995), and as a college coed in the horror film Urban Legend (1998). She later appeared in Cameron Crowe's Vanilla Sky (2001), Last Holiday (2006), and the thriller 88 Minutes (2007). Witt co-starred in the sitcom Cybill, and has also made television appearances in Friday Night Lights, Justified, and Law & Order: Criminal Intent. In addition to acting, Witt is also a musical prodigy and accomplished pianist. In 2009, she released her self-titled debut EP.