Dimension Films has bought the sci-fi thriller spec script THE GREYS, writes The Hollywood Reporter. Adam Cohen penned the screenplay, which is being kept top secret. Sean and Bryan Furst, who brought the project to Dimension, will produce alongside Radar Pictures’ Ted Field and Mike Weber. F. Javier Gutierrez (BEFORE THE FALL) is set to direct. Matthew Stein and Matthew Signer will shepherd for Dimension.