Véronique Préault ( Véronique Préault )

Narrator (voice)

Bruno Magne ( Bruno Magne )

Jules Verne (voice)

Stephan Kalb ( Stephan Kalb )

Violaine Sautter ( Violaine Sautter )

Self - Geologist

Þorvaldur Þórðarson ( Þorvaldur Þórðarson )

Self - Volcanologist

Hélène Bureau ( Hélène Bureau )

Self - Mineraologist

Benoît Ildefonse ( Benoît Ildefonse )

Self - Geologist

Kai-Uwe Hinrichs ( Kai-Uwe Hinrichs )

Self - Geochemist

Bénédicte Ménez ( Bénédicte Ménez )

Self - Geomicrobiologist

Emmanuelle Gérard ( Emmanuelle Gérard )

Self - Geomicrobiologist

Mathilde Cannat ( Mathilde Cannat )

Self - Geochemist

Nathalie Bolfan-Casanova ( Nathalie Bolfan-Casanova )

Self - Geochemist

Jean-Paul Montagner ( Jean-Paul Montagner )

Self - Seismologist

Stéphane Gaffet ( Stéphane Gaffet )

Self - Director of LSBB

Denis Andrault ( Denis Andrault )

Self - Geophysicist

Mohamed Mezouar ( Mohamed Mezouar )

Self - Physicist

Giuseppe Salerno ( Giuseppe Salerno )

Self - Volcanologist