Knock Knock - Official Trailer (2015) Subscribe to FilmTrailerZone: ow.ly/adpvg Like us on Facebook: ow.ly/rduc2 Follow us on Twitter: ow.ly/ay0gU A pair of femme fatales wreak havoc on the life of a happily married man. Release Date: June 26, 2015 Genre: Horror, Thriller Director: Eli Roth Writers: Guillermo Amoedo, Nicolás López Stars: Keanu Reeves, Lorenza Izzo, Ana de Armas Knock Knock official trailer courtesy of Voltage Pictures. FilmTrailerZone is the #1 destination for all movie fans to catch the latest movie trailers, clips, featurettes & much more of the latest promotional content from your most anticipated movies!