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Cast | + Add Cast |
5 cast members |
Name | Known for |
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David Grinspoon
Self - Astrobiologist
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Lance Lewman
Self - Narrator (voice)
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Margarita Marinova
Self - Researcher, Caltech
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Chris McKay
Self - Astrobiologist, NASA Ames
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Robert Zubrin
Self - President, The Mars Society (as Dr. Robert Zubrin)
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