Meendum Kokila
Subramaniam, a lawyer is married to Kokila and has a daughter. Things go well until he meets Kamini, a movie star in a party. He gets attracted towards Kamini and becomes ready to sacrifice his own family for her. Kokila's efforts in bringing back her husband forms the rest of the story.
Starring Kamal Haasan, Sridevi, Unni Mary, Suruli Rajan, S. N. Parvathi, A. R. Srinivasan, M. Krishnamoorthy, Anju Prabhakar, Thengai Srinivasan, T. K. S. Natarajan
Watch "Meendum Kokila" on Amazon released in 1981. It's a comedy and drama movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.