All Cast
Kamal Haasan
"Gunaa" Gunasekharan
Roshini
Rohini
Rekha
Rosy
Janagaraj
Gunaa's uncle
S. P. Balasubramaniam
CBI officer Ramaiah
Girish Karnad
Doctor Ganesh
Sharat Saxena
Suresh Kumar
Pradeep Shakti
Ismail
Ananthu
Gunaa's cellmate
Sethu Vinayagam
Doctor
Ajay Rathnam
Inspector Moovendar
S. Varalakshmi
Manonmani