Kay is the leader of a tribe that lives by the sea. His daughter is Tarita.
During the events of Yor, the Hunter from the Future (1983) played by Sergio Nicolai
Tarita takes Yor, the Hunter, Ka-Laa and Pag to her village where they meet her father Kay. Kay tells Yor that by saving Tarita, Yor has gained her as a wife, but Yor tells Tarita he already has a mate. Kay tells Yor that about two months ago they killed a man who fell from the sky. Kay takes Yor to see the remnant of the man who fell from the sky and then Kay has a feast. All of a sudden the village is hit with lasers and Kay is killed.