குணா

Kamal Haasan

Gunaa

Roshini

Rohini

ரேகா

Rosy

Janagaraj

Gunaa's uncle

எஸ். பி. பாலசுப்பிரமணியம்

CBI officer Ramaiah

Girish Karnad

Doctor Ganesh

Sharat Saxena

Suresh Kumar

Pradeep Shakti

Ismail

Sethu Vinayagam

Doctor

Ajay Rathnam

Inspector Moovendar

S. Varalakshmi

Manonmani

Kaaka Radhakrishnan

Madasami

Saritha

Rohini (voice)

R.S. Shivaji

Barber (uncredited)

Ananthu

Gunaa's cellmate