The French government is asking Gustave Eiffel to design something spectacular for the 1889 Paris World Fair, but he simply wants to design the subway—until he crosses paths with a mysterious woman from his past.
| Directing | Martin Bourboulon | Director |
| Writing | Thomas Bidegain | Writer |
| Writing | Caroline Bongrand | Writer |
| Writing | Tatiana De Rosnay | Writer |
| Writing | Martin Bourboulon | Writer |
| Writing | Martin Brossollet | Writer |
| Sound | Alexandre Desplat | Original Music Composer |
| Camera | Matias Boucard | Director of Photography |
| Editing | Virginie Bruant | Editor |
| Editing | Valérie Deseine | Editor |
| Production | Adèle Bruchert | Casting |
| Production | Aurélie Guichard | Casting |
| Production | Marie-France Michel | Casting |
| Art | Stéphane Taillasson | Production Design |
| Art | Gilles Boillot | Supervising Art Director |
| Costume & Make-Up | Thierry Delettre | Costume Design |
| Writing | Nathalie Carter | Writer |
