Justin Chatwin and Isabelle Fuhrman
Justin Chatwin (Shameless) and Isabelle Fuhrman (Orphan) are also in this film https://twitter.com/TheRealAnnaCamp/status/521382054550728704/photo/1
The lead actors are Isabelle Fuhrman, Kyle Allen, Anna Camp and Justin Chatwin, and judging by the synopsis Fuhrman must be Bea, Allen - Andy, Camp - Elizabeth and Justin Chatwin as Drew.