4K Don't Knock Twice (2016) online Year: 2016 Country: UK Director:Caradog W. James Stars: Katee Sackhoff, Lucy Boynton, Javier Botet Stars: Katee Sackhoff, Lucy Boynton, Javier Botet Genre: Horror / New Movie A mother desperate to reconnect with her troubled daughter becomes embroiled in the urban legend of a demonic witch. Watch Don't Knock Twice (2016) online