Kamal Haasan
"Gunaa" Gunasekharan
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
Kaaka Radhakrishnan
Vaali
Lyricist
Ilaiyaraaja
Original Music Composer
Venu
Director of Photography
Kamal Haasan
Playback Singer
Alamelu Subramaniam
Producer
Santhana Bharathi
Director
Balakumaran
Dialogue
V. T. Vijayan
Editor
B. Lenin
Editor
Sab John
Writer