Afterman, The (1985)

In this post-apocalyptic thriller, a man lives alone in a nuclear fallout shelter for 20 years after a nuclear holocaust, and as a result, can't read, write or speak. Eventually, he leaves the shelter and wanders into a barbaric world full of sex and depravity. Stars Jacques Verbist, Franka Ravet and Dora Raskin. (Note: This film has no spoken dialogue).