The improvised spy, Jaime Bonet, must go to Barcelona to recover a stolen microfilm which is hidden in a soccer ball.
| Directing | Ignacio F. Iquino | Director |
| Writing | Ignacio F. Iquino | Writer |
| Writing | Armando Matías Guiu | Writer |
| Sound | Enrique Escobar | Music |
| Camera | Ignacio F. Iquino | Director of Photography |
| Camera | Julio Pérez de Rozas | Director of Photography |
| Editing | Maricel Bautista | Editor |
| Art | Andrés Vallvé | Set Decoration |
| Costume & Make-Up | Nesta de Lujo | Costume Design |
| Costume & Make-Up | Margarita Martinez | Assistant Makeup Artist |
| Costume & Make-Up | Carmen Menchala | Makeup Artist |
| Costume & Make-Up | Margarita Vila | Hairstylist |
| Production | Juliana San José de la Fuente | Production Manager |
| Directing | Luis Garcia | Assistant Director |
| Art | José Rovira | Assistant Set Decoration |
| Art | Enrique Vila Selma | Property Master |
| Camera | Fernando Barbosa | Still Photographer |
| Camera | Fernando Espiga | Camera Operator |
| Camera | Manuel Ramos | Focus Puller |
| Costume & Make-Up | Dora Agustín | Costumer |
| Editing | Teresa Bronchalo | Assistant Editor |
| Directing | Paquita Vilanova | Script Supervisor |
| Production | Carlos Frigola | Production Assistant |
| Production | Marcelino Riba-Abizanda | Production Assistant |
