Top Cast
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Véronique Préault
Narrator (voice)
Bruno Magne
Jules Verne (voice)
Stephan Kalb
Violaine Sautter
Self - Geologist
Þorvaldur Þórðarson
Self - Volcanologist
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Hélène Bureau
Self - Mineraologist
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Benoît Ildefonse
Self - Geologist
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Kai-Uwe Hinrichs
Self - Geochemist
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Bénédicte Ménez
Self - Geomicrobiologist
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Emmanuelle Gérard
Self - Geomicrobiologist
