Suriya

Saravanan aka Vettai Karuppu / Duraisingam aka Kaaval Karuppu / Nandha Gopalan Kumaran 'NGK'

Trisha Krishnan

Preethi

RJ Balaji

Baby Kannan 'BK' / Usilampatti Karuppaiah Gandhi 'UKG'

Indrans

Mattancherry Sukumaran

Anagha Maya Ravi

Binu Sukumaran

Swasika

Vasanthi

Sshivada

Kanmani

Natarajan Subramaniam

Chief Metropolitan Magistrate M.D. Rajanayagam

Supreet

Gowri

Poobalam Pragatheeswaran

Shanmugam aka Peiyi

Mansoor Ali Khan

Stone

George Mariyan

Court Clerk

Aadukalam Naren

Chief Metropolitan Magistrate Soundarapandiyan

Namo Narayana

Thaniga

Vela Ramamoorthy

V.M Pandian

Deepa Shankar

Selvi

Lollu Sabha Maaran

S. Kumaran

Unnimaya Prasad

Inspector Thangameena

Jaffer Sadiq

Austin

Aju Varghese

Doctor (Special Appearance)

Sandy

Cafe Customer (Special Appearance)

Janany Kunaseelan

Shruthi (Special Appearance)

Ramachandran Durairaj

Priest

Vadivel Murugan

Ganesh

Karate Karthi

Cold

Kalki Raja

Satti

Mathew Varghese

Lawyer

Munnar Ramesh

Damodaran

Muthukumar

Tamilnadu Legislative Assembly member

Baby Iyal

Chintu (Special Appearance)

Crane Manohar

Chinmayi Sripaada

Preethi (voice)

Giant Zanjeer

Self

Aruldoss

Tamilnadu Legislative Assembly member

Chitra Lakshmanan

Tamilnadu Legislative Assembly member Speaker

Kitty

Asuran JK

Tamilnadu Legislative Assembly member

Mai Pa Narayanan

Mullai Kothandam

J. Ram

Natarajan Subramaniam

Rajanayagam

Naga Sai

Junior lawyer (uncredited)