அந்நியன்

Vikram

Ramanujam 'Ambi' Iyengar / Remo / Anniyan

Sadha

Nandini Raghuram

ప్రకాష్ రాజ్

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)