Dr. Vaseegaran / Chitti
Sana
Dr. Bohra
Siva
Ravi
Latha
Agent Shah
Pachaimuthu
Traffic Police
Neighbourhood Bully
Thug
Curious Student
Police Inspector
Vaseegaran's Father
Vaseegaran's mother
Barber
K. Bhajanlal, a customer at The Park Hotel
Sana (voice)