The interiors were filmed at Vikram, Bharani and Shyamala Studios. Mani was the art director. The movie is also the debut of Mammootty, who appeared in a bit part, he is uncredited in the film. The film has a successful soundtrack composed by Devarajan with lyrics written by Vayalar. Kamal Haasan called it one of his favourite films and said "It had an astounding story [..] It was so suspenseful, so intriguing in the way it explored the human mind."