Thangamalai Ragasiyam (Eng: Secret of the Golden Mountain) is a 1957 Indian Tamil-language adventure film produced and directed by B. R. Panthulu. The film stars Sivaji Ganesan, T. R. Rajakumari and Jamuna.
It was simultaneously made in Kannada as Rathnagiri Rahasya. The film was released on 29 June 1957 and emerged a success.
Gajendran, a prince, is separated from his parents by his father’s foe at a very young age. He grew up as a ferocious and vicious caveman.
Directed by – B. R. Panthulu
Written by – P. Neelakantan
Screenplay by – Chithra Krishnaswami
Story by – Chinna Annamalai & Ve. Lakshmanan
Produced by – B. R. Panthulu
Starring – Sivaji Ganesan, T. R. Rajakumari, Jamuna
Cinematography – G. K. Ramu & W. R. Subbarao
Edited by – R. Devarajan
Music by – T. G. Lingappa
Production – Padmini Pictures
Distributed by – Meena Movies
Release date – 29 June 1957
Running time – 191 minutes
Country – India
Language – Tamil
