Vikram
Ramanujam 'Ambi' Iyengar / Remo / Anniyan
Sadha
Nandini Raghuram
Prakash Raj
DCP Prabhakar
Vivek
Chari Singari
Nedumudi Venu
Parthasarathy Iyengar
Nassar
Psychiatrist
Cochin Haneefa
Delinquent Car Owner
Kalabhavan Mani
House Owner
Charle
Wastrel
Shanmugarajan
Chockalingam
Saurabh Shukla
Break Company Owner
Manobala
Ticket Conductor
Shanthi Williams
Susheela, Ambi's Mother
R. Neelakantan
Ananthanarayanan
Sriranjini
Nandhini's Mother
Vatsala Rajagopal
Ambi's Grandmother
Mohan Vaidya
Krishna
Hari Prashanth
Young Ambi
Citizen Mani
A cook who works under Chockalingam
Yana Gupta
Special Appearance in "Kaadhal Yaanai" Song
Kaniha
Nandini Raghuram (Voice)
S. N. Surendar
Parthasarathy Iyengar (Voice)
Meera Krishnan
Nandhini's Mother (Voice)
Kabilan
Lyricist
Harini
Playback Singer
Lesle Lewis
Playback Singer
Shankar Mahadevan
Playback Singer
KK
Playback Singer
Shreya Ghoshal
Playback Singer
Vasundhara Das
Playback Singer
Hariharan
Playback Singer
Vairamuthu
Lyricist
Sunitha Sarathy
Playback Singer
Jassie Gift
Playback Singer
Nakul
Playback Singer
G. V. Prakash Kumar
Playback Singer
V. Ravichandran
Producer
Shankar
Director
Sujatha Rangarajan
Writer
V. Manikandan
Director of Photography
Ravi Varman
Director of Photography
Shankar
Screenplay
Sujatha Rangarajan
Dialogue
Sabu Cyril
Art Direction
Shankar
Story
Ahmed Khan
Choreographer
Raju Sundaram
Choreographer
AS Laxmi Narayanan
Sound Mixer
Peter Hein
Stunts Coordinator
Harris Jayaraj
Original Music Composer
Andrea Jeremiah
Playback Singer
Saindhavi
Playback Singer
Kalyan Kumar
Choreographer
Na. Muthu Kumar
Lyricist