Juan arrives in Madrid with the intention of succeeding as a singer. With the only company of his guitar, he goes from club to club asking for work.
| Directing | Pedro Lazaga Sabater | Director |
| Production | Pedro Masó | Producer |
| Editing | Alfonso Santacana | Editor |
| Camera | Juan Mariné | Director of Photography |
| Sound | Waldo de los Ríos | Original Music Composer |
| Writing | Antonio Vich | Screenplay |
| Writing | Pedro Masó | Screenplay |
| Art | León Revuelta | Art Direction |
| Art | León Revuelta | Set Decoration |
| Costume & Make-Up | Tomasa Benito | Assistant Makeup Artist |
| Costume & Make-Up | María de Elena | Makeup Artist |
| Costume & Make-Up | Mercedes Parrondo | Hairstylist |
| Production | José Alted | Production Manager |
| Directing | José Luis Pérez Tristán | Assistant Director |
| Art | Carlos Orengo | Property Master |
| Sound | Rogelio Armada | Sound Recordist |
| Sound | Julio Calvo | Sound Recordist |
| Sound | Jaime Torrens | Sound Engineer |
| Camera | Miguel Agudo | Camera Operator |
| Camera | Luis Berraquero | First Assistant Camera |
| Camera | Manuel García | Second Assistant Camera |
| Camera | José Salvador | Still Photographer |
| Costume & Make-Up | María Teresa Iglesias | Wardrobe Master |
| Editing | Alicia Castillo | Assistant Editor |
| Editing | Pilar Millán | Assistant Editor |
| Production | Leandro Iglesias | Production Assistant |
| Production | Ángel Masó | Production Assistant |
