Petta

Rajinikanth

Petta 'Kaali' Velan

Nawazuddin Siddiqui

Singaar 'Singaaram' Singh

Vijay Sethupathi

Jithu

Sananth

Anwar

M. Sasikumar

Maalik

Bobby Simha

Michael

Simran

Mangalam

Trisha Krishnan

Saro

Megha Akash

Anu

Malavika Mohanan

Poongodi

J. Mahendran

Rajapandi

Muthukumar

Devaaram

Guru Somasundaram

District Collector

Aadukalam Naren

Michael's Father

Y. G. Mahendran

College Principal

Munishkanth

Chittu

Chinni Jayanth

Mangalam's Patient

Vivek Prasanna

Professor

Ramachandran Durairaj

Michael's Father's Henchman

Manikandan Achari

Michael's Father's Henchman

Deepak Paramesh

Michael's Friend

Adhithya Shivpink

Michael's friend

Vidhu

Michael's Friend

Thennavan

Thangam

Shabeer Kallarakkal

Arjith

Gajaraj

Shanmugam

Rajkumar

Student

Vaibhav

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

Roju

Leo Sivadass

Sathya Prema

Aruvi Bala

Kaalaiyan

Karthik Subbaraj

Director

Srinivasan Elangovan

Assistant Director

Charukesh Sekar

Assistant Director

Karthik Subbaraj

Writer

Vivek

Lyricist

Dhanush

Lyricist

Kalanithi Maran

Producer

Kaarthekeyen S

Executive Producer

R S Suresh Maniyan

Executive Producer

D. Ramesh Kuchirayar

Production Executive

S. Thirunavukkarasu

Director of Photography

C H Balu

Still Photographer