Martín Cortés

Corazón salvaje is a Mexican telenovela, which was produced by and broadcast on Televisa in 1977. It is the fourth of five screen adaptations of the novel of the same name by Caridad Bravo Adams, and the second telenovela. The first telenovela was starred by singer Julissa while the 1977 production was starred by singer Angélica María who had previously had the role of Mónica in the 1968 film version. Actor Ernesto Alonso produced this version and after not casting Julissa and instead repeating Angélica María the first allegedly declared "Since my father is not employed in this company anymore Ernesto Alonso has forgotten me in his castings".

"Nuestro Juramento" is the life of the singer, Julio Jaramillo, presented episodically, having as background his childhood, youth, his first loves, the apotheosis of his career and his dramatic end. The musicalization of the film has the singles taken from the singer's original recordings.