Nigel M. Smith interviewed Eli Roth for the Indiewire. Mr. Roth talks about Knock Knock and also said the following about Keanu:
…I think his performance is so amazing, it’s really, really, really going to surprise people. And I think people who love him for other reasons will see him in a whole new light once they see this. He’s just incredible.
I definitely think that there’s a Keanu-sance happening. We had the McConnaisance. I’m so happy. When you think about it, there’s very few people that have been movie stars in four decades. Keanu has been a movie star since the ‘80s.
You can read the entire article here.