Someone's Knocking at the Door Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. 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. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Sean Cain, Noah Segan, Mary Rings, Lew Temple, Trent Haaga, Andrea Renda, Vernon Wells, Ricardo Gray, Jon Budinoff, Joseph Pilato, Jordan Lawson, Elina Madison, Silvia Spross, Ezra Buzzington, Timothy Muskatell .