A failed pianist sells his soul to the devil in return for his becoming the greatest musician in the world. The catch: every time he plays he turns into a horrible monster.
Enrique Rambal
as Samuel Magno
Martha Roth
as Laura / Alejandra
Abel Salazar
as Ricardo Souto
Ofelia Guilmáin
as Cornelia Magno
José Chávez
as Chief of Detectives
Maricarmen Vela
as Blond Motorist
Carlos Suárez
as
Ana Laura Baledón
as Little Girl Piano Student
Armando Guttierez
as Hotel Manager
Cecilia Leger
as
Jesús Gómez
as
Anita Blanch
as
