Naan Sigappu Manithan

Rajinikanth

Professor Vijay / Robinhood

K. Bhagyaraj

CID Chinna Salem Singaram

Ambika

Uma

Sathyaraj

Mohanraj

Sumathi

Vijay's Sister

Nizhalgal Ravi

Ravi

Y. G. Mahendran

Police Inspector

Venniradai Moorthy

M. N. Nambiar

Senior Police Officer

Thengai Srinivasan

Minister Tambaram Thanga Kannan

S. A. Chandrasekhar

Mental Hospital Ward Boy

Senthil

Senthil