A Spanish documentary from Jean-Paul Le Chanois & Luis Buñuel made during the Spanish Civil War.
| Writing | Luis Buñuel | Screenplay |
| Directing | Jean-Paul Le Chanois | Director |
| Production | Luis Buñuel | Producer |
| Camera | Roman Karmen | Camera Operator |
| Camera | Alain Douarinou | Director of Photography |
| Editing | Jean-Paul Le Chanois | Editor |
| Writing | Pierre Unik | Screenplay |