Dhanush

as Radhakrishnan (Rocky)

Tamannaah Bhatia

as Gayathri

Vivek

as Assault Arumugam

Suman Talwar

as Samarasimha Reddy

Devadarshini

as Kousalya Gowtham

Ganeshkar

as Ganesh

Chetan

as Gowtham

Dr. Sharmila

as Kavitha

Atul Kulkarni

as Kasi Anandan

Sayaji Shinde

as Rami Reddy

Prathap Pothan

as Ramakrishnan

Meera Krishnan

as Janaki Ramakrishnan

Mayilsamy

as Mayilsamy

Suman Shetty

as Ramesh

Sentrayan

as Kumaran

Nellai Siva

as Tea Shop Owner

Bonda Mani

as Bonda Mani

Crane Manohar

as Appa Rao

Mahanadhi Shankar

as Subba Rao

Aarthi

as Thirukaani

Swaminathan

as Malaisamy

Madhan Bob

as Srinivasan

Nirosha

as Andal

Santhana Bharathi

as Ramalingam

Kadhal Thandapani

as Veerapandi

Karate Raja

as Bhaskar

Suruli Manohar

as Maarimuthu

Pandu

as Sundaramurthy

Ennatha Kannaiya

as Kannaiya (Guest Appearance)

Sashi Kumar

as Kasi's Brother

Baba Baskar

as Special Appearance "Hey Vetri Velaa" Song

Cell Murugan

as Cell Murugan