Watch Someone's Knocking at the Door (2009) : Full Movie Online Free Returning to the same medical school where they were test subjects years before, two twisted serial killers use brutal sex acts to kill off a group of med students.
Stars: Noah Segan, Andrea Renda, Elina Madison, Ezra Buzzington, Jon Budinoff, Silvia Spross, Ricardo Gray, Timothy Muskatell, Lew Temple, Vernon Wells, Sean Cain