Siddharth

Character: Munna

Genelia D'Souza

Character: Harini

Bharath Srinivasan

Character: Babu Kalyanam

S. Thaman

Character: Krishna

Nakul

Character: Juju

Vivek

Character: Mangalam

Senthil

Character: Anna Veriyan

Janaki Sabesh

Character: Munna's mother

Solomon Pappaiah

Character: Judge

Anita Ratnam

Character: Harini's Mother

Subhashini

Character: Babu Kalyanam's Mother

Ilavarasu

Character: Kumar's Father

Chitti Babu

Character: Hari

A. V. Ramanan

Character: Munna's Father

Raviprakash

Character: M. Chandra Shekar

Kalairani

Character: Kumar's Mother

Manikandan

Character: Kumar

Sindhuri

Character: Ankita

Bhuvaneswari

Character: Rani

Manobala

Character: Ajay

Sathyan Sivakumar

Character: Deepu

Ramji

Character: Bhaskar

Delhi Kumar

Character: Judge

A. C. Murali Mohan

Character:

Suryakanth

Character: 'Pimp' Manickam

Hariharan

Character: Himself

Blaaze

Character: Himself as a Music Award Show Host

S. P. Balasubramaniam

Character: Himself as a Music Award Show Host

Vijay Yesudas

Character: Himself as a Music Award Show Host

K. G. Ranjith

Character: Himself as a Music Award Show Host

Rathi Arumugam

Character: Harini (Voice)