Julien Bocher
Роль(и): Narrator (voice)
Nicolas Joseph
Роль(и): Self - Sewer basic service
Raphaël Morera
Роль(и): Self - Historian, CNRS
Konstantinos Chatzis
Роль(и): Self - Historian, Gustave Eiffel University
Christophe Dalloz
Роль(и): Self - Water and sanitation services manager
