Adolfo Marsillach

Santiago Ramón y Cajal

Julia Caba Alba

Old woman on train

Rafael Bardem

Professor Casas

Asunción Sancho

Silvería

Mario Morales

Antonio Rivas

Isabel de Pomés

Mother

José Marco Davó

Don Justo

María del Valle

Ángel Luis Álvarez

Santiago (young)

Miguel Ángel Rodríguez

Pedro (young)

Estrella Martínez

Enriqueta

Elías Rodríguez

Tomás

Matilde Muñoz Sampedro

Animal seller

José Riesgo

Francisco Masana

Ángel Álvarez

Photographer

Ángel Calero

Priest

José Luis Torrado

Luciano Díaz

Farmer

José Sepúlveda

Shoe salesman

María Jesús Lara

Pilar Cano

Manuel Peiró

Pedro (adult)

Joaquín Bergía

Orderly

Goyo Lebrero

Pet shop assistant

José Manuel Martín

Cholera patient

Julio Sanjuán

Scientist

Rufino Inglés

Committee Member 1

Juan Manuel San Juan

Committee Member 2

Carlos Mendy

Dr Ferrán

Manuel Arbó

Cholera patient's husband

Luis Rivera

Showman

Carmen Esbrí

Enrique Ávila

Luis Gario

Juan Cazalilla

Butler

Antonio Alfonso Vidal

Professor Skelliger

Domingo Rivas

Luis María Lasala

Congress Employee

Antonio Molino Rojo

(uncredited)

Antonio Vela

(uncredited)