Cast 20

1. 

   José Sacristán

   Himself - Narrator (voice)

2. Joaquín López-Raimundo

   Himself - Mauthausen Prisoner

3. Pilar Atrián

   Herself - Francesc Boix's Friend

4. 

   Pierre Daix

   Himself - Mauthausen Prisoner

5. Mariano Constante

   Himself - Mauthausen Prisoner

6. Agapito Martín

   Himself - Mauthausen Prisoner

7. Manuel Azaustre

   Himself - Mauthausen Prisoner

8. Juan de Diego

   Himself - Mauthausen Prisoner

9. José Perlado

   Himself - Mauthausen Prisoner

10. Manuel Alfonso

    Himself - Mauthausen Prisoner

11. Jacinto Cortés

    Himself - Mauthausen Prisoner

12. Francisco Comellas

    Himself - Mauthausen Prisoner

13. Christina Bina

    Herself - Anna Pointner's Daughter

14. Leopoldine Drexler

    Herself - Anna Pointner's Daughter

15. Hans Marsalek

    Himself - Mauthausen Prisoner

16. Pierre Durand

    Himself - 'L'humanité' Ex-Editor-in-Chief

17. José Pàmies

    Himself - French Communist Party Member

18. Gisèle Guillemot

    Herself - 'Regards' Editorial Room Secretary

19. Ernst Kaltenbrunner

    Himself (archive footage)

20. Francesc Boix

    Himself (archive footage)

Crew 9