The Devil Within 2010

Synopsis:

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

Directed by: Tom Hardy
Written by: Matt Dean
Release date: 2010-05-21
Runtime: 78 minutes
Tagline: The greatest evil comes from inside
Cast:
Karynn Moore
Karynn Moore
Casey 
Sarah Kathryn Harrison
Sarah Kathryn Harrison
Doug 
Bill Oberst Jr.
Bill Oberst Jr.
Principal Edwards 
Grey Damon
Grey Damon
John 
Elizabeth Bell
Elizabeth Bell
Karen