Vettaiyan

Rajinikanth

SP V. Athiyan IPS

Amitabh Bachchan

Justice Dr. Sathyadev Bramhadutt Pandey

Fahadh Faasil

Cyber Patrick 'Battery'

Rana Daggubati

Natraj 'Nat' Shanmugam

Manju Warrier

Thara

Ritika Singh

Roopa Kiran

Kishore

SP Harish Kumar

Dushara Vijayan

Saranya

Asal Kolaar

Guna

Ananth Nag

ASP Ram

Abhirami

Swetha

Rohini

Nazeema

G. M. Sundar

Inspector Lourdhusamy

Rao Ramesh

DGP D. Shrinivas

Rakshan

Athiyan's Nephew

Ramesh Thilak

Anbu

Remya Suresh

Saranya's mother

Alencier Ley Lopez

Judge

Vasanthi Guru

Guna's mother

Sabumon Abdusamad

Kumaresan

Aruvi Bala

Guna's Friend

M. Soundarya Saravanan

Fact Finding Team Member

Krishnudu

Srinivasa Rao

Vinod Sagar

Politician

Birla Bose

Inspector

Kalki Raja

Kumaresan's sidekick

Arul D. Shankar

Education Minister

Sri Deva

NAT Academy agent

Thanmaya Sol

Chithra, Guna's Sister

Aravindraj R

Home Minister

Shaji Chen

Commisioner of Police

Supreet

Hanu Reddy

Anirudh Ravichander

Cameo

B. S. Avinash

Perusu

Rethika Srinivas

Fact Finding Team Member

Sundarayyar

Saranya's Father

Meenakshi

Daisy

Sowra Syed

Fact Finding Team Member

Dhatsha Pillai

Sessions Court Judge

T. J. Gnanavel

Director

Subu

Lyricist

Vishnu Edavan

Lyricist

Kiruthika B

Screenplay

T. J. Gnanavel

Story

Arivu

Lyricist

Yugabharathi

Lyricist

Heisenberg

Lyricist

Amogh Balaji

Lyricist

Gopi Prasannaa

Publicist

Subramanian Narayanan

Executive Producer

G. K. M. Tamil Kumaran

Head of Production