EXCLUSIVE: The biggest title announced so far for the upcoming Cannes market is an erotic psycho-thriller that pairs director Eli Roth with Keanu Reeves.

Production on the Camp Grey, Black Bear Pictures and Sobras International Pictures co-production is underway in Santiago, Chile, and Voltage chief Nicolas Chartier hopes to show footage on the Croisette.

Knock Knock stars Reeves as a married man home alone who is visited by two beauties who throw his life into disarray.

Lorenza Izzo, the star of Roth’s upcoming cannibal horror The Green Inferno, also stars alongside Ana de Armas.

The cast includes Ignacia Allamand, the Chilean telenovela star whose feature credits include The Green Inferno and Aftershock, which Roth co-wrote and produced and Nicolas Lopez directed.

Producers are Colleen Camp, Roth, Lopez, Miguel Asensio, Tim DeGraye and Cassian Elwes, who represents US rights with CAA.

Reeves serves as executive producer alongside Teddy Schwarzman, Peter Traynor, Larry Spiegel and Sondra Locke.

Roth, Lopez and Guillermo Amoedo co-wrote the screenplay.