Director AR Murugadoss initially envisioned 'Thupakki' with Superstar Mahesh Babu in mind, but fate had other plans. Thalapathy Vijay's entry into the project was influenced by a pivotal moment when Vijay's father, SA Chandrasekhar, informed the director about his son's availability.

This serendipitous turn of events led to Murugadoss pivoting the film towards Vijay, a decision that would significantly impact the movie's trajectory. The tale behind 'Thupakki' unveils an intriguing twist in its casting journey.

While Murugadoss had contemplations about featuring Mahesh Babu, the timely revelation of Vijay's availability became the turning point. Vijay's father played a crucial role in steering the director towards Vijay, marking a transformative decision that resonated profoundly with audiences.

This switch not only altered the film's course but also contributed significantly to Thalapathy Vijay's repertoire, ultimately solidifying 'Thupakki' as a milestone in his career.