Manuel Azaña

Himself (President of Spain)

José Díaz

Himself (Parliamentarian)

Dolores Ibárruri

Herself

Enrique Lister

Himself (Republican Army)

Commander Martinez de Aragón

Himself (Republican Army)

Gustav Regler

Himself (German writer)

Orson Welles

Narrator (voice)

Ernest Hemingway

Narrator (voice)

Jean Renoir

Narrator (voice)

Joris Ivens