A documentary of Libertarian thought during the Spanish Civil War of 1936. It is told in three parts.
| Actor | Role |
|---|---|
| FFederica MontsenyHerself | Herself |
| JJuan Gómez CasasHimself | Himself |
| JJosé PeiratsHimself | Himself |
| MMaravilla RodriguezHerself | Herself |
| MMiguel CelmaHimself | Himself |
| JJoaquin Dieste RamosHimself | Himself |
| FFidel GorrónHimself | Himself |
| JJesús GuillénHimself | Himself |
| PPepita CarpenaHerself | Herself |
| GGregorio CodinaHimself | Himself |
| SSalvador SarrauHimself | Himself |
| SSara BerenguerHerself | Herself |
| JJuan MartinezHimself | Himself |
| CCallThemselves | Themselves |
| JJosé Muñoz CongostHimself | Himself |
| PPedro BarriosHimself | Himself |