ट्रिविया

kaththi didn't contain smoking or a drinking scenes ,So Smoking & Drinking caution not used in Kaththi title card.

This film is the debut Tamil film of Bollywood actor Neil Nitin Mukesh. He had also dubbed for the film in his own voice.

This film collected 100 crores in just 12 days, thus making it the fourth Tamil film to cross 100 crores at the box office after Rajinikanth's "Endhiran" and "Sivaji" as well as the lead actor Vijay's "Thuppakki". Coincidentally, "Thuppakki" was also directed by AR Murugadoss, the director of "Kaththi".

The lyricist and singer of the song "Pakkam Vanthu", Hiphop Tamizha Aadhi, makes a cameo appearance in the same song in the movie.

Kaththi is the second collaboration of actor Vijay and director AR Murugadoss. It is to be noted that the duo had collaborated with each other in the 2012 blockbuster Thuppakki.