A night of sex, drugs and partying in the Hollywood Hill's is the perfect setting for Serina's 18th birthday - until this high school pool party goes horribly wrong when an uninvited guest begins killing everyone
Elizabeth Di Prinzio
Sirena
Karynn Moore
Casey
Sarah Kathryn Harrison
Doug
Bill Oberst Jr.
Principal Edwards
Grey Damon
John
Elizabeth Bell
Karen
Alex Aldridge
Kyle
Jamie Lea Willett
Sara
