Véronique Préault

Narrator (voice)

Bruno Magne

Jules Verne (voice)

Stephan Kalb

Violaine Sautter

Self - Geologist

Þorvaldur Þórðarson

Self - Volcanologist

Hélène Bureau

Self - Mineraologist

Benoît Ildefonse

Self - Geologist

Kai-Uwe Hinrichs

Self - Geochemist

Bénédicte Ménez

Self - Geomicrobiologist

Emmanuelle Gérard

Self - Geomicrobiologist