"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
Kaaka Radhakrishnan
as Madasami
Saritha
as Rohini (voice)
R.S. Shivaji
as Barber (uncredited)
Vaali
Lyricist
Ilaiyaraaja
Original Music Composer
Venu
Director of Photography
Playback Singer
Alamelu Subramaniam
Producer
Santhana Bharathi
Director
Balakumaran
Dialogue
V. T. Vijayan
Editor
B. Lenin
S. Janaki
Ustad Sultan Khan
K. J. Yesudas
Abhirami Pattar
Sarika
Costume Designer
Deepan Chatterjee
Sound Designer
Co-Director
Raghuram
Choreographer
Raju Sundaram
Vikram Dharma
Stunt Coordinator
Sab John
Story
Screenplay
Magie
Art Direction