La serpiente de cascabel
Overview
Juan Carlos Thorry is a police inspector who must solve the mystery of the death of the warden of a boarding school for young women, for which he goes undercover as a music teacher. The main suspect is the mischievous schoolgirl María Duval. A series of entanglements leads the protagonists to becoming romantically involved and to finding the culprit.
Cast

María Duval
Olga Arévalo

Juan Carlos Thorry
Inspector Mario Robledo

Milagros de la Vega
Directora

Homero Cárpena
Morales

María Santos
Vicedirectora

Alberto Contreras
Gerardo

Bertha Moss
Celadora Graciela

Enrique García Satur
Sr. Arévalo
Blanca del Prado
Profesora de Historia
Mary Parets
Beba

Max Citelli
Damián
Carlos Fioriti
Varela