Character Name : Ramanujam 'Ambi' Iyengar / Remo / Anniyan

Original Name : Vikram

Gender : Male

Character Name : Nandini Raghuram

Original Name : Sadha

Gender : Female

Character Name : DCP Prabhakar

Original Name : Prakash Raj

Gender : Male

Character Name : Chari Singari

Original Name : Vivek

Gender : Male

Character Name : Parthasarathy Iyengar

Original Name : Nedumudi Venu

Gender : Male

Character Name : Psychiatrist

Original Name : Nassar

Gender : Male

Character Name : Delinquent Car Owner

Original Name : Cochin Haneefa

Gender : Male

Character Name : House Owner

Original Name : Kalabhavan Mani

Gender : Male

Character Name : Wastrel

Original Name : Charle

Gender : Male

Character Name : Chockalingam

Original Name : Shanmugarajan

Gender : Male

Character Name : Break Company Owner

Original Name : Saurabh Shukla

Gender : Male

Character Name : Ticket Conductor

Original Name : Manobala

Gender : Male

Character Name : Susheela, Ambi's Mother

Original Name : Shanthi Williams

Gender : Female

Character Name : Ananthanarayanan

Original Name : R. Neelakantan

Gender : Male

Character Name : Nandhini's Mother

Original Name : Sriranjini

Gender : Female

Character Name : Ambi's Grandmother

Original Name : Vatsala Rajagopal

Gender : Male

Character Name : Krishna

Original Name : Mohan Vaidya

Gender : Male

Character Name : Young Ambi

Original Name : Hari Prashanth

Gender : Male

Character Name : A cook who works under Chockalingam

Original Name : Citizen Mani

Gender : Male

Character Name : Special Appearance in "Kaadhal Yaanai" Song

Original Name : Yana Gupta

Gender : Female

Character Name : Nandini Raghuram (Voice)

Original Name : Kaniha

Gender : Female

Character Name : Parthasarathy Iyengar (Voice)

Original Name : S. N. Surendar

Gender : Male

Character Name : Nandhini's Mother (Voice)

Original Name : Meera Krishnan

Gender : Female