Unfriended (2014)

Cast: Shelley Hennig, Heather Sossaman, Renee Olstead, Matthew Bohrer, Moses Storm, Will Peltz, Jacob Wysocki, Courtney Halverson, Mickey River, Cal Barnes

While video chatting one night, six high school friends receive a Skype message from a classmate who killed herself exactly one year ago. At first they think it's a prank, but when the girl starts rev…