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Laurent Ballesta as Self - Plongeur, photographe, biologiste marin |
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Gaël Clément as Self - Paléontologue au Muséum d’histoire naturelle de Paris |
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Peter Timm as Self - Plongeur, fondateur du Trimix, Afrique du Sud |
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Emmanuel Blanche as Self - Médecin hyperbare de l'expédition " Gombessa 1 " |
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Florian Holon as Self - Plongeur de l'expédition " Gombessa 1 " |
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Thibault Rauby as Self - Biologiste, plongeur de l'expédition " Gombessa 1 " |
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Yanick Gentil as Self - Cameraman sous-marin, plongeur de l'expédition " Gombessa 1 " |
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Marc Herbin as Self - Spécialiste de la locomotion des vertebrés, CNRS / MNHN |
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Kerry Sink as Self - Chercheur au The South African Institute Aquatic Biodiversity |
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Cédric Gentil as Self - Logisticien de l'expédition " Gombessa 1 " |
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Mélanie Faye as Narrator (voice) |
| Directing | Gil Kébaïli | Director |
| Writing | Gil Kébaïli | Writer |
| Production | Jacques Hinstin | Executive Producer |
| Crew | Alexios Kitsopoulos | Thanks |
| Crew | Gaël Clément | Scientific Consultant |
| Crew | Rose Thornycroft | Scientific Consultant |
| Crew | Marc Herbin | Scientific Consultant |
| Crew | Régis Debruyne | Scientific Consultant |
| Crew | Alain Delamuraz | Thanks |
| Crew | Hugo Dutel | Scientific Consultant |
| Crew | Angus Paterson | Scientific Consultant |
| Crew | Russel Chalmers | Scientific Consultant |
| Crew | Marc A. Hayek | Thanks |
| Crew | Cédric Gentil | Logistics Coordinator |
| Sound | Simon Dubois | Sound Editor |
| Crew | Paul Cowley | Scientific Consultant |
| Crew | David Berdah | Legal Services |
| Crew | Emmanuel Blanche | Medical Consultant |
| Crew | Thierry Decamps | Scientific Consultant |
| Crew | Kerry Sink | Scientific Consultant |
| Camera | Gil Kébaïli | Camera Operator |
| Camera | Barbara Brou | Still Photographer |
| Crew | Jean-Benoît Charrassin | Scientific Consultant |
| Art | Charlène Letenneur | Graphic Designer |
| Camera | Olivier Chasle | Camera Operator |
| Sound | Simon Dubois | Sound Mixer |
| Sound | Alexis Barbier-Bouvet | Sound |
| Writing | Laurent Ballesta | Writer |
| Editing | Denis Batardière | Editor |
| Sound | Stéphane Lopez | Original Music Composer |
| Production | Angèle Le Névé | Production Director |
| Camera | Yann Rineau | Camera Operator |
| Editing | Rémi Berge | Color Grading |
| Directing | Cédric Gentil | Assistant Director |
| Camera | Yanick Gentil | Underwater Camera |
