What actors and actresses appeared in I.Q. bau pang - 1981?

There appears to be no movie titled "I.Q. bau pang - 1981". It is possible that:

* You are mistaken about the title or year. Please double-check the information.

* The movie is obscure or non-existent.

* You might be thinking of a different movie.

Could you please provide more information or clarify the movie's name?