"Carlos goes to visit his girlfriend Juana at the asylum where she works. Once there, the director introduces him to his niece, who is obsessed with playing the harp, and to a nurse who repeats word for word what Carlos says."
Susana Canales
as Amanda
Julio Peña
as Miguel
Elvira Quintillá
as Mercedes
Antonio Vico
as Mercedes' Husband
María Asquerino
as Eugenia
José María Lado
as Dr. Posada
Fernando Fernán Gómez
as Carlos
María Rivas
as Juana
Carlos Díaz de Mendoza
as Dr. Garcés
Vicente Parra
as Alejo
Ana de Leyva
as
Manuel San Román
Rafael Calvo Revilla
Cayetano Torregrosa
José Alburquerque
Ernestina Siria
María Baus
Concha López Silva
Margarita Lozano
Camilo José Cela
Alfredo Marqueríe
Aurora de Alba
Manuel Alexandre
as (uncredited)
Ignacio de Paúl
as Mary Luz
Jesús Juan Garcés
as Loco que ríe
José Altabella
as Loco
Director
Sebastián Perera
Director of Photography
Edgar Allan Poe
Short Story
Antonio Fernández Roces
Sound
Screenplay
Eduardo Torre de la Fuente
Production Design
Leonid Andreyev
Aleksandr Kuprin
Carlos Nin
Makeup Designer
Manuel Parada
Original Music Composer
Francisco Tomás Comes
Carmen Salas
Script Supervisor
Luis María Delgado
Ramón Plana
Production Manager
José María Ochoa
Assistant Director
Rafael Pacheco
Still Photographer
Mario Pacheco
Camera Operator
Félix Suárez Inclán
Editor
Carlos Boué
Production Assistant
Cecilio Paniagua
Felipe Sáez Barea