Julien Bocher as Narrator (voice)

Jérémie Zeguerman as Self - Director , gare du Nord

Patrick Cognasson as Self - Historian, railway specialist

Clive Lamming as Self - Railway historian

Étienne Tricaud as Self - Architect and engineer, co-founder and president of AREP

Jean-Marie Duthilleul as Self - Architect and engineer, co-founder and president of AREP

Sylvain Guillon as Self - Substation regulator, gare du Nord

Noël Mamère as Self (archive footage)

Florian Artus as Self - Switchman-greaser, gare du Nord

François Mitterrand as Self (archive footage)

Elizabeth II of the United Kingdom as Self (archive footage)

David Trendel as Self - Substation regulator, gare du Nord

Stéphane Felici as Self - Local manager, gare du Nord

Laurent Fournier as Self - Station service operational manager, gare du Nord

Xavier Nowak as Self - Station manager, gare du Nord

Patrick Ropert as Self - Director general, SCNF Gares & Connexions

Patrick Mignot as Self - Paris-Nord project director, SNCF Gares & Connexions

Jean-Michel Wilmotte as Self - Architect, Wilmotte & Associés

Frédéric Lagoutte as Self - Operations manager, AMRA

Ludovic Lunetta as Self - Site manager, AMRA