""
Damien Cochereau
as Narrator (voice)
Pierre-Antoine Davanne
as Self - Chief engineer for the tunnel boring machine
Florent Martin
as Self - Project manager of the construction
David Demiere
as Self - Conveyor team leader
Anaïs Barrel
as Self - Geologist
Paul Gatinel
as Self - Geotechnician
Jacques Triclot
as Self - Project manager
Rémi Fortanété
as Self - Chief engineer
Franck Joet
as Self - Surveyor-Topographer
Bernard Sosnowski
as Self - Manager of the voussoir factory
Pierre Gaspar
as Self - Pilot of the tunnel boring machine
Fabienne Renoux
Administration
Alexandre Guillorit
Color Grading
Hugo Hernandez
Writer
Grégory Balga
Editor
Guillaume Gizard
Sound Mixer
Bruno Abate
Post-Production Manager
Jehan Folqué
Assistant Editor
Romain Hirschmann
Aline Gripon
Margaux Herreman
Quentin Domart
Carine Nonnenmacher
Producer
Olivier Jehan
Valérie Ménard
Production Director
Jeanne Ngon Mayoh
Director
