 | Andrés Mejuto als Captain Muñoz |
 | Nicolás Rodríguez als Pilot Márquez |
 | José María Lado als The Peasant |
| Miguel del Castillo als González (uncredited) |
| Pedro Codina als Schreiner (uncredited) |
| Serafín Ferro als Saidi (uncredited) |
 | Julio Peña als Attigniès (uncredited) |
| José Sempere als Commandant Peña (uncredited) |
| André Malraux | Director |
| Louis Page | Director of Photography |
| Darius Milhaud | Original Music Composer |
| André Malraux | Novel |
| Max Aub | Dialogue |
| Edouard Corniglion-Molinier | Producer |
| Georges Grace | Editor |
| André Malraux | Editor |
| Antonio del Amo | Co-Writer |
| Denis Marion | Screenplay |
| Boris Peskine | Screenplay |
| André Malraux | Screenplay |
| Boris Peskine | Assistant Director |
| Denis Marion | Assistant Director |
| Max Aub | Assistant Director |
| Vicente Petit | Production Design |
| André Thomas | Camera Operator |
| Robert Teyssère | Sound Engineer |
| Antoine Archimbaud | Sound Engineer |
| René Renault | Sound Engineer |
| Roland Tual | Production Director |
| Fernando G. Mantilla | Production Director |
