Romain Duris as Gustave Eiffel

Emma Mackey as Adrienne Bourgès

Pierre Deladonchamps as Antoine Restac

Armande Boulanger as Claire Eiffel

Andranic Manet as Adolphe Salles

Alexandre Steiger as Jean Compagnon

Philippe Hérisson as Edouard Lockroy

Jérémie Petrus as Edmond

Jérémy Lopez as Maurice Koechlin

Frédéric Merlo as Georges

Damien Zanoly as Émile Nouguier

Clémence Boué as Madame Lockroy

Julien Sarazin as Ouvrier boîte à sable 11

Josselin Baillarguet as Silhouette

Michèle Clément as Bougeoise

Juliette Blanche as Amie d'Adrienne

Sophie Fougère as Mme Bourgès

Philippe Richardin as Membre du conseil

Matthieu Piriou as Ouvrier

Stéphane Page as Invité Bourgès 2

Aurélien Luzeux as Ouvrier acrobate Tour Eiffel

Aurélia Frachon as Vendeuse de fleurs au Parc Monceau

Philippe Saïd as Membre du conseil

Dominique Pozzetto as L'huissier du Ministère

Benoît de Gaulejac as Les Banquiers

Hervé Masquelier as Les Banquiers

Joseph Rezwin as R. Milligan McLane

David Olivier Fischer as Acteur

Pierre Le Baleur as Ouvrier boite à sable