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 Prakash

Playback Singer

Kalyan Kumar

Choreographer

Na. Muthu Kumar

Lyricist