Knock Knock
- අවුරුදු: 2015
- රට: Chile, Germany, United States of America
- ප්රභේදය: Horror, Thriller
- ශබ්දාගාර: Sobras International Pictures, UFA, Black Bear Pictures, Camp Grey, Elevated Films, Movie Trailer House, Dragonfly Entertainment, Voltage Pictures
- මූල පදය: adultery, infidelity, cake, disc jockey, rain, architect, seduction, torture, art, home invasion, extramarital affair, threesome, seductress, erotic thriller, married man
- අධ්යක්ෂක: Eli Roth
- කාස්ට්: Keanu Reeves, Lorenza Izzo, Ana de Armas, Aaron Burns, Colleen Camp, Ignacia Allamand