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Adolfo Marsillach as Santiago Ramón y Cajal |
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Julia Caba Alba as Old woman on train |
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Rafael Bardem as Professor Casas |
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Asunción Sancho as Silvería |
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Mario Morales as Antonio Rivas |
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Isabel de Pomés as Mother |
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José Marco Davó as Don Justo |
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María del Valle as |
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Ángel Luis Álvarez as Santiago (young) |
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Miguel Ángel Rodríguez as Pedro (young) |
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Estrella Martínez as Enriqueta |
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Elías Rodríguez as Tomás |
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Matilde Muñoz Sampedro as Animal seller |
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José Riesgo as |
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Francisco Masana as |
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Ángel Álvarez as Photographer |
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Ángel Calero as Priest |
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José Luis Torrado as |
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Luciano Díaz as Farmer |
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José Sepúlveda as Shoe salesman |
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María Jesús Lara as |
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Pilar Cano as |
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Manuel Peiró as Pedro (adult) |
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Joaquín Bergía as Orderly |
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Goyo Lebrero as Pet shop assistant |
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José Manuel Martín as Cholera patient |
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Julio Sanjuán as Scientist |
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Rufino Inglés as Committee Member 1 |
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Juan Manuel San Juan as Committee Member 2 |
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Carlos Mendy as Dr Ferrán |
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Manuel Arbó as Cholera patient's husband |
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Luis Rivera as Showman |
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Carmen Esbrí as |
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Enrique Ávila as |
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Luis Gario as |
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Juan Cazalilla as Butler |
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Antonio Alfonso Vidal as Professor Skelliger |
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Domingo Rivas as |
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Luis María Lasala as Congress Employee |
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Antonio Molino Rojo as (uncredited) |
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Antonio Vela as (uncredited) |
