Guna, a mentally-disturbed man, imagines a fictitious character of a woman to be his future wife. One day, he sees a girl in a temple and assumes that she is his imaginary love and kidnaps her.
Kamal Haasan
as Gunaa
Roshini
as Rohini
Rekha
as Rosy
Janagaraj
as Gunaa's uncle
S. P. Balasubramaniam
as CBI officer Ramaiah
Girish Karnad
as Doctor Ganesh
Sharat Saxena
as Suresh Kumar
Pradeep Shakti
as Ismail
Ananthu
as Gunaa's cellmate
Sethu Vinayagam
as Doctor
Ajay Rathnam
as Inspector Moovendar
S. Varalakshmi
as Manonmani
