Jessica Marie Alba; born April 28, 1981 is an American actress and businesswoman. She began her television and movie appearances at age 13 in Camp Nowhere and The Secret World of Alex Mack (1994), but rose to prominence at 19, as the lead actress of the television series Dark Angel (2000–2002), in which she received a Golden Globe nomination. Her much larger role of stripper Nancy Callahan, seeking to avenge her late protector, in Sin City: