演职人员
Narrator (voice)
Damien Cochereau
Self - Chief engineer for the tunnel boring machine
Pierre-Antoine Davanne
Self - Project manager of the construction
Florent Martin
Self - Conveyor team leader
David Demiere
Self - Geologist
Anaïs Barrel
Self - Geotechnician
Paul Gatinel
Self - Project manager
Jacques Triclot
Self - Chief engineer
Rémi Fortanété
Self - Surveyor-Topographer
Franck Joet
Self - Manager of the voussoir factory
Bernard Sosnowski
Self - Pilot of the tunnel boring machine
Pierre Gaspar