85 mins | Drama | May 7, 1956
85 mins | Drama | May 7, 1956
| Producers | Yago Films |
| Original title | La legión del silencio |
| Directors | José María Forqué, José Antonio Nieves Conde |
| Writers | Manuel Tamayo, Jorge Illa, Lluís Josep Comerón, José Antonio de la Loma |
as Jean Balzac / Paul Banek
as Dana
as Especialista en minas
as hermano de Kadenko
as Grumko