Inner Demons is a 2014 English-language Drama Horror movie written by Glenn Gers and directed by Seth Grossman. INNER DEMONS follows an 'Intervention'-style reality show crew that films an episode about a sixteen-year old girl, a former A-student, who is fighting addiction but may in fact be suffering from something even destructive: demonic possession. The movie is an inquiry into the truth about her - with symptoms that straddle the disturbing and scary intersection between insanity, addiction and true possession. Written by Anonymous. Inner demons stars Lara Vosburgh, Morgan Mcclellan, Kate Whitney, Brian Flaherty, Colleen Mcgrann, Christopher Parker and Christopher Stefanic. The music was composed by Adam Balazs. Cinematography was done by Chapin Hall and editing by Jeff Seibenick. The movie has a running time of 85 minutes. It was released on 3rd October 2014. Distribution rights for the film were acquired by IFC Midnight.