Trailer
 | Jorge Mistral as Jean Balzac / Paul Banek |
 | Nani Fernández as Dana |
 | Rubén Rojo as Chapek |
 | Jesús Tordesillas as Josef |
 | Félix Dafauce as Grumko |
 | Nicolás D. Perchicot as Padre Oberski |
 | Juan Manuel Soriano as Genka |
 | María Dolores Gispert as Ludmilla |
 | Tomás Torres as Juan |
 | César Ojinaga as Lukas |
 | Joan Capri as Especialista en minas |
 | José Marco as Kadenko |
| Diana Mayer as Isa |
| Esther Parera as Maruska |
 | Fernando Cebrián as hermano de Kadenko |
 | Pepe Rubio as (no acreditado) |
 | Ventura Oller as (no acreditado) |
| Camera | |
| Francisco Sempere | Director of Photography |
| José F. Aguayo | Director of Photography |
Art | |
| Sigfrido Burman | Set Decoration |
Editing | |
| Petra de Nieva | Editor |
Sound | |
| Isidro B. Maiztegui | Original Music Composer |
Costume & Make-Up | |
| Rafael Richart | Costume Design |
Production | |
| Telesforo de la Plaza | Production Manager |
Directing | |
| José María Forqué | Director |
| José Antonio Nieves Conde | Director |
Writing | |
| Lluís Josep Comerón | Story |
| Jorge Illa | Story |
| Manuel Tamayo Castro | Writer |
| José Antonio de la Loma | Story |
