"Marta is obsessed with protecting her son from the genetic predisposition to schizophrenia that she has hidden from her husband."
Dolores del Río
as Marta
Pedro López Lagar
as Guillermo Estrada
Eduardo Noriega
as Mauricio de la Torre
Alejandro Ciangherotti Jr.
as Daniel
Miguel Ángel Ferriz Sr.
as Doctor
Lupe Inclán
as Jacinta, sirvienta
Tana Lynn
as Prostituta
Carlos Riquelme
as Profesor
Nicolás Rodríguez
José Dupeyrón
as Hombre bailando cabaret (uncredited)
Salvador Lozano
as Empleado manicomio (uncredited)
Ricardo Merino
as
Álvaro Matute
as Compañero trabajo de Guillermo
Gabriel Figueroa
Cinematography
Jorge Benavides
Visual Effects
Manuel Fontanals
Art Direction
María de Jesús Lepe
Makeup & Hair
Ana Guerrero
Gloria Schoemann
Editor
Roberto Gavaldón
Writer
Jesús Grovas
Producer
Rodolfo Usigli
Raúl Lavista
Music
Edmundo Báez
Director