Professor Hamilton, a naive Nuclear scientist who once thought bombs were good for humanity, realizes his mistake and runs away from his inventions. He hides in Calabuch, a beautiful seaside town where people still believe in humor and friendship.
| Directing | Luis García Berlanga | Director |
| Writing | Luis García Berlanga | Screenplay |
| Writing | Ennio Flaiano | Screenplay |
| Writing | Florentino Soria | Screenplay |
| Writing | Leonardo Martín | Screenplay |
| Production | José Luis Jerez | Line Producer |
| Sound | Guido Guerrini | Music |
| Sound | Angelo Francesco Lavagnino | Music |
| Camera | Francisco Sempere | Director of Photography |
| Editing | Pepita Orduna | Editor |
| Art | Román Calatayud | Set Decoration |
| Costume & Make-Up | José Luis Ruiz | Makeup Artist |
| Sound | Jaime Torrens | Sound Designer |