Narrator (voice)

Damien Cochereau

Acting

Self - Chief engineer for the tunnel boring machine

Pierre-Antoine Davanne

Acting

Self - Project manager of the construction

Florent Martin

Acting

Self - Conveyor team leader

David Demiere

Acting

Self - Geologist

Anaïs Barrel

Acting

Self - Geotechnician

Paul Gatinel

Acting

Self - Project manager

Jacques Triclot

Acting

Self - Chief engineer

Rémi Fortanété

Acting

Self - Surveyor-Topographer

Franck Joet

Acting

Self - Manager of the voussoir factory

Bernard Sosnowski

Acting

Self - Pilot of the tunnel boring machine

Pierre Gaspar

Acting