Siddharth as Karthik

Bobby Simha as "Assault" Sethu

Karunakaran as Oorani

Ramachandran Durairaj as Rasu

Guru Somasundaram as Muthu

Lakshmi Menon as Kayal

Vinodhini Vaidyanathan as Ganga

Bagavathi Perumal as Cinematographer

Vijay Sethupathi as Young Sethu / Himself

Senthil Kumaran as Sounder

Aadukalam Naren as Sundar

Ambika as Kayalvizhi's Mother

Soundara Raja as Ponram

Sangili Murugan as 'Petti Kadai' Pazhani

Nassar as Mukil

Thennavan as Sekhar

Delhi Ganesh as Subramani

Bala Singh as Sandhanam

Ajay Rathnam as Police Officer

Rajkumar as Karthik's Friend

Jigarthanda Senthil as Senthil

Anthony Daasan as Vettu Kumar

Gajaraj as Journalist

Bombay Gnanam as Sethu's Mother

Tiger Thangadurai as Henchman

Leo Sivadass as Henchman

Vetrimaaran as Self

Aadukalam Murugadoss as Self

Nalan Kumarasamy as Aspiring Director

Pykara Kaalayan as

Baba Baskar as Self (Special appearance in the song "Baby")