<Tr> <Th> Budget </Th> <Td> $2 million </Td> </Tr> <Tr> <Th> Box office </Th> <Td> $6.3 million </Td> </Tr> <P> Knock Knock is a 2015 American erotic horror - thriller film directed by Eli Roth, who also co-wrote the script with Guillermo Amoedo and Nicolás López . The film stars Keanu Reeves, Lorenza Izzo, and Ana de Armas . The film was released on October 9, 2015, by Lionsgate Premiere . Knock Knock is a remake of the 1977 film Death Game, which was directed by Peter S. Traynor and starred Sondra Locke and Colleen Camp . All three individuals had a hand in the production of Knock Knock, while Camp also had a cameo in the newer film . </P> <P> Architect and happily married man Evan Webber (Keanu Reeves) has the house to himself and his dog Monkey on Father's Day weekend due to work and a physical therapy appointment for a shoulder injury while his wife and children go on a family - planned beach trip . His wife Karen (Ignacia Allamand), a successful artist, leaves their assistant Louis (Aaron Burns) in charge of her sculpture that needs to be moved to an art gallery . </P>

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