I noticed that both Gans and Deborah Kara Unger refer to Dahlia as 'Cassandra Dahlia' in interviews, which I found curious. So I looked up symbolism of the name and found this site: http://www.answers.com/topic/cassandra
â€¢Greek Mythology. A daughter of Priam, the king of Troy, endowed with the gift of prophecy but fated by Apollo never to be believed.
â€¢One that utters unheeded prophecies.
I wonder if thats might be why they call her that, since Dahlia does make a prophecy that is later ignored (Evil wakes in vengeance. Be careful what you choose).