Rajinikanth as Petta 'Kaali' Velan

Nawazuddin Siddiqui as Singaar 'Singaaram' Singh

Vijay Sethupathi as Jithu

Sananth as Anwar

M. Sasikumar as Maalik

Bobby Simha as Michael

Simran as Mangalam

Trisha Krishnan as Saro

Megha Akash as Anu

Malavika Mohanan as Poongodi

J. Mahendran as Rajapandi

Muthukumar as Devaaram

Guru Somasundaram as District Collector

Aadukalam Naren as Micheal's Father

Y. G. Mahendran as College Principal

Munishkanth as Chittu

Chinni Jayanth as Mangalam's Patient

Vivek Prasanna as Professor

Ramachandran Durairaj as Michael's Father's Henchman

Manikanda Achari as Michael's Father's Henchman

Deepak Paramesh as Michael's Friend

Adhithya Shivpink as Michael's friend

Thennavan as Thangam

Shabeer Kallarakkal as Arjith

Gajaraj as Shanmugam

Rajkumar as Student

Vaibhav as Idhayam Murali (Special Appearance in the song "Aaha Kalyanam" )

Roju as

Leo Sivadass as

Sathya Prema as

Aruvi Bala as

Kaalaiyan as