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