Jigarthanda is Karthik Subbaraj's first feature film story. Karthik could not do the film as the producers were hesitant to invest a huge amount for a debut director. So Karhik made up a low-budget story, Pizza, which did well critically and commercially.
Initially actor Vijay Sethupathi was approached for "Sethu" character and Bobby Simha was to do the role of "Karthik"..
Initially actor Vijay Sethupathi was approached to do the antagonist role. But he rejected the offer since he is busy with his schedule.
Superstar Rajnikanth liked the film so much and called Karthik Subbaraj to praise his work. He said that if Karthik had approached him for the role of Sethu, he would have definitely done it.
Bobby Simha got national award for his performance