Anand Mahindra, chairman and managing director of Mahindra Group, was interested in the jeep which was used in the first look poster of this movie. He tweeted that he would love to acquire that jeep for his company's auto museum
Nana did his own dubbing in hindi and tamil.
The name of the movie, "Kaala", is a reference to Lord Yama, the god of death, according to the director.
Kaala is the fourth collaboration of Pa Ranjith and Santhosh Narayanan after Attakathi, Madras and Kabali
Nana and Rajnikant work for the first time in a tamil film.