Mario is a famous concert pianist affected by an obsessive neurosis. He leaves Paris, cancels his contracts and returns to Spain to devote himself only to music. On his way to Spain he meets a young widow, who Mario saves when she tries to commit suicide by throwing herself from a train.
León Klimovsky
Director, Writer
Luis Fernando de Igoa
Writer

Jorge Mistral
Mario Sandoval

Laura Hidalgo
Andrea

Evangelina Elizondo
Novia de Mario

Manuel Monroy
Pablo Medina

Juan Calvo
Maestro D. Miguel

Rafael Bardem
Dr. Núñez

Amelia de la Torre
Eloísa

Matilde Muñoz Sampedro
Tía Amparo

Carlos Díaz de Mendoza
Tío Alberto