Siddharth
Munna
Genelia D'Souza
Harini
Bharath Srinivasan
Babu Kalyanam
S. Thaman
Krishna
Nakul
Juju
Vivek
Mangalam
Senthil
Anna Veriyan
Janaki Sabesh
Munna's mother
Solomon Pappaiah
Judge
Anita Ratnam
Harini's Mother
Subhashini
Babu Kalyanam's Mother
Ilavarasu
Kumar's Father
Chitti Babu
Hari
A. V. Ramanan
Munna's Father
Raviprakash
M. Chandra Shekar
Kalairani
Kumar's Mother
Manikandan
Kumar
Sindhuri
Ankita
Bhuvaneswari
Rani
Manobala
Ajay
Sathyan Sivakumar
Deepu
Ramji
Bhaskar
Delhi Kumar
Judge
A. C. Murali Mohan
Suryakanth
'Pimp' Manickam
Hariharan
Himself
Blaaze
Himself as a Music Award Show Host
S. P. Balasubramaniam
Himself as a Music Award Show Host
Vijay Yesudas
Himself as a Music Award Show Host
K. G. Ranjith
Himself as a Music Award Show Host
Rathi Arumugam
Harini (Voice)
Chinmayi Sripaada
Playback Singer
Lucky Ali
Playback Singer
Clinton Cerejo
Playback Singer
Blaaze
Lyricist
K. V. Anand
Additional Director of Photography
Pa. Vijay
Lyricist
Vaali
Lyricist
Adnan Sami
Playback Singer
Kabilan
Lyricist
Sunitha Sarathy
Playback Singer
Blaaze
Playback Singer
Kunal Ganjawala
Playback Singer
Karthik
Playback Singer
Vasundhara Das
Playback Singer
Chithra Iyer
Playback Singer
Annupamaa
Playback Singer
S.P.B. Charan
Playback Singer
Marc Kolbe
Visual Effects Supervisor
Tippu
Playback Singer
V. Manikandan
Additional Director of Photography
Sadhana Sargam
Playback Singer
Shankar
Director
V. T. Vijayan
Editor
A. M. Rathnam
Producer
Sujatha Rangarajan
Writer
Sabu Cyril
Art Direction
Sujatha Rangarajan
Dialogue
Shankar
Story
Ravi K. Chandran
Director of Photography
V Selvakumar
Assistant Art Director
Vikram Dharma
Stunts Coordinator
A.R. Rahman
Original Music Composer
Shankar
Screenplay
S. P. Hosimin
Assistant Director