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José Sacristán
Himself - Narrator (voice)

Joaquín López-Raimundo
Himself - Mauthausen Prisoner

Pilar Atrián
Herself - Francesc Boix's Friend

Pierre Daix
Himself - Mauthausen Prisoner

Mariano Constante
Himself - Mauthausen Prisoner

Agapito Martín
Himself - Mauthausen Prisoner

Manuel Azaustre
Himself - Mauthausen Prisoner

Juan de Diego
Himself - Mauthausen Prisoner

José Perlado
Himself - Mauthausen Prisoner

Manuel Alfonso
Himself - Mauthausen Prisoner

Jacinto Cortés
Himself - Mauthausen Prisoner

Francisco Comellas
Himself - Mauthausen Prisoner

Christina Bina
Herself - Anna Pointner's Daughter

Leopoldine Drexler
Herself - Anna Pointner's Daughter

Hans Marsalek
Himself - Mauthausen Prisoner

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