Thangamalai Rahasyam (1957)

Sivaji Ganesan plays the role of a prince who is separated from his parents by his father's foe at a very young age. He grew up as a ferocious and vicious cavemen. Then he meets Jamuna, who by her word of love and affection turns Sivaji for good. Both set out to find the secret of Thangamalai to find and save Sivaji's parents.