Vettaiyan

Rajinikanth

As SP V. Athiyan IPS

Amitabh Bachchan

As Justice Dr. Sathyadev Bramhadutt Pandey

Fahadh Faasil

As Cyber Patrick 'Battery'

Rana Daggubati

As Natraj 'Nat' Shanmugam

Manju Warrier

As Thara

Ritika Singh

As Roopa Kiran

Kishore

As SP Harish Kumar

Dushara Vijayan

As Saranya

Asal Kolaar

As Guna

Ananth Nag

As ASP Ram

Abhirami

As Swetha

Rohini

As Nazeema

G. M. Sundar

As Inspector Lourdhusamy

Rao Ramesh

As DGP D. Shrinivas

Rakshan

As Athiyan's Nephew

Ramesh Thilak

As Anbu

Remya Suresh

As Saranya's mother

Alencier Ley Lopez

As Judge

Vasanthi Guru

As Guna's mother

Sabumon Abdusamad

As Kumaresan

Aruvi Bala

As Guna's Friend

M. Soundarya Saravanan

As Fact Finding Team Member

Krishnudu

As Srinivasa Rao

Vinod Sagar

As Politician

Birla Bose

As Inspector

Kalki Raja

As Kumaresan's sidekick

Arul D. Shankar

As Education Minister

Sri Deva

As NAT Academy agent

Thanmaya Sol

As Chithra, Guna's Sister

Aravindraj R

As Home Minister

Shaji Chen

As Commisioner of Police

Supreet

As Hanu Reddy

Anirudh Ravichander

As Cameo

B. S. Avinash

As Perusu

Rethika Srinivas

As Fact Finding Team Member

Sundarayyar

As Saranya's Father

Meenakshi

As Daisy

Sowra Syed

As Fact Finding Team Member

Dhatsha Pillai

As Sessions Court Judge