Actress Nayanthara's movie Kolaiyuthir Kaalam in which she plays a deaf and mute girl has been in a hush-hush making for a long time now. The trailer of the film has been released recently. Written and directed by Chakri Toleti of Unnaipol Oruvan and Billa 2 fame, and is produced by Mathiyalagan. The technical team of this film includes Teemu Takatala for the music, Hollywood's Robby Baumgartner for cinematography and Rameshwar S Bhagat for the edits.